{| class="wikitable" style="margin-left:1em;"
|-
! style="width:60px;"|År
! Termin
! Præmiesum
! Navn
! Arena
! Underlag
! [[WTA Tour|WTA]]-kategori
|-
| style="text-align:center;"|[[1973]]
| style="padding-left:7px; padding-right:20px;"|[[7. maj]] - ?
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 30.000
| style="padding-left:7px; padding-right:20px;"|Toray Sillook
| style="padding-left:7px; padding-right:20px;"|?
| style="padding-left:7px; padding-right:20px;"|Tæppe (indendørs)
| style="color:grey; padding-left:7px; padding-right:20px;"|Ikke WTA-turnering
|-
| style="text-align:center;"|[[1974]]
| colspan="6" style="text-align:center; color:grey;"|Ingen turnering
|-
| style="text-align:center;"|[[1975]]
| style="padding-left:7px; padding-right:20px;"|[[16. september|16.]] - [[19. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 50.000
| rowspan="7" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Toray Sillook Open
| rowspan="6" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Yoyogi National Gymnasium|Yoyogi<br/>National Gymnasium]]<ref>I [[1976]]-[[1977|77]] blev de indledende runder spillet i Nichi Dai University Auditorium i [[Osaka]]. Kun semifinaler og finaler blev afviklet i [[Yoyogi National Gymnasium]].</ref>
| rowspan="33" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Tæppe (indendørs)
| rowspan="3" style="vertical-align:top; color:grey; padding-left:7px; padding-right:20px;"|Ikke WTA-turnering
|-
| style="text-align:center;"|[[1976]]
| style="padding-left:7px; padding-right:20px;"|[[28. september]] - [[2. oktober]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 50.000
|-
| style="text-align:center;"|[[1977]]
| style="padding-left:7px; padding-right:20px;"|[[14. september|14.]] - [[18. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 100.000
|-
| style="text-align:center;"|[[1978]]
| style="padding-left:7px; padding-right:20px;"|[[14. september|14.]] - [[17. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 75.000
| style="padding-left:7px; padding-right:20px;"|Colgate Series (AAA)
|-
| style="text-align:center;"|[[1979]]
| style="padding-left:7px; padding-right:20px;"|[[11. september|11.]] - [[16. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 150.000
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Colgate Series (AAAA)
|-
| style="text-align:center;"|[[1980]]
| style="padding-left:7px; padding-right:20px;"|[[8. september|8.]] - [[14. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 175.000
|-
| style="text-align:center;"|[[1981]]
| style="padding-left:7px; padding-right:20px;"|[[14. september|14.]] - [[20. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 100.000
| style="padding-left:7px; padding-right:20px;"|?
| style="padding-left:7px; padding-right:20px;"|Toyota Series (kategori 3)
|-
| style="text-align:center;"|[[1982]]
| style="padding-left:7px; padding-right:20px;"|[[13. september|13.]] - [[20. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 150.000
| style="padding-left:7px; padding-right:20px;"|TV Tennis Open
| style="padding-left:7px; padding-right:20px;"|?
| style="padding-left:7px; padding-right:20px;"|Toyota Series (kategori 5)
|-
| style="text-align:center;"|[[1983]]
| style="padding-left:7px; padding-right:20px;"|[[12. september|12.]] - [[18. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 175.000
| style="padding-left:7px; padding-right:20px;"|Queen's Grand Prix
| style="padding-left:7px; padding-right:20px;"|?
| style="padding-left:7px; padding-right:20px;"|Kategori 3
|-
| style="text-align:center;"|[[1984]]
| style="padding-left:7px; padding-right:20px;"|[[10. december|10.]] - [[16. december]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
| rowspan="36" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Toray<br/>Pan Pacific Open
| style="padding-left:7px; padding-right:20px;"|?
| rowspan="6" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Kategori 4
|-
| style="text-align:center;"|[[1985]]
| style="padding-left:7px; padding-right:20px;"|[[9. december|9.]] - [[15. december]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
| style="padding-left:7px; padding-right:20px;"|?
|-
| style="text-align:center;"|[[1986]]
| style="padding-left:7px; padding-right:20px;"|[[8. september|8.]] - [[14. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
| rowspan="7" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Tokyo Metropolitan Gymnasium|Tokyo<br/>Metropolitan Gymnasium]]
|-
| style="text-align:center;"|[[1987]]
| style="padding-left:7px; padding-right:20px;"|[[14. september|14.]] - [[20. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
|-
| style="text-align:center;"|[[1988]]
| style="padding-left:7px; padding-right:20px;"|[[25. april]] - [[1. maj]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
|-
| style="text-align:center;"|[[1989]]
| style="padding-left:7px; padding-right:20px;"|[[31. januar]] - [[5. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 250.000
|-
| style="text-align:center;"|[[1990]]
| style="padding-left:7px; padding-right:20px;"|[[29. januar]] - [[4. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 350.000
| rowspan="3" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[WTA Tier II]]
|-
| style="text-align:center;"|[[1991]]
| style="padding-left:7px; padding-right:20px;"|[[29. januar]] - [[3. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 350.000
|-
| style="text-align:center;"|[[1992]]
| style="padding-left:7px; padding-right:20px;"|[[28. januar]] - [[2. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 350.000
|-
| style="text-align:center;"|[[1993]]
| style="padding-left:7px; padding-right:20px;"|[[2. februar|2.]] - [[7. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 750.000
| style="padding-left:7px; padding-right:20px;"|[[Yokohama Arena]]
| rowspan="16" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[WTA Tier I]]
|-
| style="text-align:center;"|[[1994]]
| style="padding-left:7px; padding-right:20px;"|[[31. januar]] - [[6. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 750.000
| rowspan="14" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Tokyo Metropolitan Gymnasium|Tokyo<br/>Metropolitan Gymnasium]]
|-
| style="text-align:center;"|[[1995]]
| style="padding-left:7px; padding-right:20px;"|[[31. januar]] - [[5. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 806.250
|-
| style="text-align:center;"|[[1996]]
| style="padding-left:7px; padding-right:20px;"|[[29. januar]] - [[4. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 926.250
|-
| style="text-align:center;"|[[1997]]
| style="padding-left:7px; padding-right:20px;"|[[28. januar]] - [[2. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 926.250
|-
| style="text-align:center;"|[[1998]]
| style="padding-left:7px; padding-right:20px;"|[[3. februar|3.]] - [[8. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 926.250
|-
| style="text-align:center;"|[[1999]]
| style="padding-left:7px; padding-right:20px;"|[[2. februar|2.]] - [[7. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.050.000
|-
| style="text-align:center;"|[[2000]]
| style="padding-left:7px; padding-right:20px;"|[[29. januar]] - [[6. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.080.000
|-
| style="text-align:center;"|[[2001]]
| style="padding-left:7px; padding-right:20px;"|[[30. januar]] - [[4. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.188.000
|-
| style="text-align:center;"|[[2002]]
| style="padding-left:7px; padding-right:20px;"|[[26. januar]] - [[3. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.224.000
|-
| style="text-align:center;"|[[2003]]
| style="padding-left:7px; padding-right:20px;"|[[25. januar]] - [[2. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.300.000
|-
| style="text-align:center;"|[[2004]]
| style="padding-left:7px; padding-right:20px;"|[[30. januar]] - [[8. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.300.000
|-
| style="text-align:center;"|[[2005]]
| style="padding-left:7px; padding-right:20px;"|[[28. januar]] - [[6. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.300.000
|-
| style="text-align:center;"|[[2006]]
| style="padding-left:7px; padding-right:20px;"|[[27. januar]] - [[5. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.340.000
|-
| style="text-align:center;"|[[2007]]
| style="padding-left:7px; padding-right:20px;"|[[27. januar]] - [[4. februar]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.340.000
|-
| style="text-align:center;"|[[2008]]
| style="padding-left:7px; padding-right:20px;"|[[15. september|15.]] - [[21. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.340.000
| rowspan="10" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Ariake Coliseum]]
| rowspan="10" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Hardcourt]] (udendørs)
|-
| style="text-align:center;"|[[2009]]
| style="padding-left:7px; padding-right:20px;"|[[27. september]] - [[3. oktober]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 2.000.000
| rowspan="5" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[WTA Premier 5]]
|-
| style="text-align:center;"|[[2010]]
| style="padding-left:7px; padding-right:20px;"|[[26. september]] - [[2. oktober]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 2.000.000
|-
| style="text-align:center;"|[[2011]]
| style="padding-left:7px; padding-right:20px;"|[[25. september]] - [[1. oktober]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 2.050.000
|-
| style="text-align:center;"|[[2012]]
| style="padding-left:7px; padding-right:20px;"|[[23. september|23.]] - [[29. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 2.168.400
|-
| style="text-align:center;"|[[2013]]
| style="padding-left:7px; padding-right:20px;"|[[22. september|22.]] - [[28. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 2.369.000
|-
| style="text-align:center;"|[[2014]]
| style="padding-left:7px; padding-right:20px;"|[[15. september|15.]] - [[21. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 1.000.000
| rowspan="6" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[WTA Premier 700]]
|-
| style="text-align:center;"|[[2015]]
| style="padding-left:7px; padding-right:20px;"|[[21. september|21.]] - [[27. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 881.100
|-
| style="text-align:center;"|[[2016]]
| style="padding-left:7px; padding-right:20px;"|[[19. september|19.]] - [[25. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 885.500
|-
| style="text-align:center;"|[[2017]]
| style="padding-left:7px; padding-right:20px;"|[[18. september|18.]] - [[24. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 890.100
|-
| style="text-align:center;"|[[2018]]
| style="padding-left:7px; padding-right:20px;"|[[17. september|17.]] - [[23. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 799.000
| rowspan="1" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Arena Tachikawa Tachihi]]
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Hardcourt]] (indendørs)
|-
| style="text-align:center;"|[[2019]]
| style="padding-left:7px; padding-right:20px;"|[[16. september|16.]] - [[22. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 757.900
| rowspan="1" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[ITC Utsubo Tennis Center]]
|-
| style="text-align:center;"|[[2020]]-[[2021|21]]
| colspan="6" style="padding-left:7px; padding-right:20px; color:grey;"|Ingen turneringer på grund af [[COVID-19]]-pandemien.
|-
| style="text-align:center;"|[[2022]]
| style="padding-left:7px; padding-right:20px;"|[[19. september|19.]] - [[25. september]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 757.900
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|Toray<br/>Pan Pacific Open
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Ariake Coliseum]]
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[Hardcourt]] (udendørs)
| rowspan="2" style="vertical-align:top; padding-left:7px; padding-right:20px;"|[[WTA 500]]
|-
| style="text-align:center;"|[[Pan Pacific Open 2023|2023]]
| style="padding-left:7px; padding-right:20px;"|[[25. september]] - [[1. oktober]]
| style="text-align:right; padding-left:15px; padding-right:15px;"|[[Amerikansk dollar|$]] 780.637
|}
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