Inventor · disambiguated record
Kazufumi Ishibashi
Also filed as: HATTORI TETSUO · ICHIMURA TAKEO · ISHIBASHI KAZUFUMI
11 granted patents·278 citations·filing 1976–2000
92Inventor score
Top patents by PatentIndex Score
11 records- 0185US6407868B1Cross dichroic prism, method of making the same, and full-color projector using the sameNIKON CORP·Filed 2000·Granted Jun 18, 2002·39 cites·29 claims
- 0284US6062694AProjection type display apparatusNIKON CORP·Filed 1997·Granted May 16, 2000·92 cites·32 claims
- 0383US4166746AOptical glassNIPPON KOGAKU KK·Filed 1978·Granted Sep 4, 1979·37 cites·4 claims
- 0480US4115131AOptical glassNIPPON KOGAKU KK·Filed 1977·Granted Sep 19, 1978·31 cites·11 claims
- 0565US4268312AOptical glassNIPPON KOGAKU KK·Filed 1979·Granted May 19, 1981·20 cites·9 claims
- 0661US6101041ACross dichroic prism, method of making the same, and full-color projector using the sameNIKON CORP·Filed 1998·Granted Aug 8, 2000·26 cites·4 claims
- 0749US5946056AColor composing optical systemNIKON CORP·Filed 1998·Granted Aug 31, 1999·13 cites·7 claims
- 0843US4118238AOptical glassNIPPON KOGAKU KK·Filed 1976·Granted Oct 3, 1978·9 cites·5 claims
- 0937US4193807AOptical glassNIPPON KOGAKU KK·Filed 1978·Granted Mar 18, 1980·6 cites·7 claims
- 1036US4080216AOptical glassNIPPON KOGAKU KK·Filed 1976·Granted Mar 21, 1978·4 cites·3 claims
- 1129US4252567AGlasses for eyeglass lensesNIPPON KOGAKU KK·Filed 1979·Granted Feb 24, 1981·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →