Inventor · disambiguated record
Hiroya Ohkuma
Also filed as: OHKUMA HIROYA
3 granted patents·2 pending applications·28 citations·filing 1988–2023
69Inventor score
Files withNIKON CORP5
Top patents by PatentIndex Score
5 records- 0173US2024036221A1Setting method, inspection method, defect evaluation device and structure manufacturing methodNIKON CORP·Filed 2023·Application pending·0 cites
- 0261US5237547AMulti-head magneto-optical disk apparatusNIKON CORP·Filed 1988·Granted Aug 17, 1993·15 cites·2 claims
- 0360US2019310385A1Setting method, inspection method, defect evaluation device and structure manufacturing methodNIKON CORP·Filed 2019·Application pending·0 cites
- 0446US5148416ASignal processing circuit for magnetooptical record/reproducing apparatusNIKON CORP·Filed 1990·Granted Sep 15, 1992·9 cites·7 claims
- 0535US5010537AOptical disc device with multi-head slider and tracking controlNIKON CORP·Filed 1988·Granted Apr 23, 1991·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →