Inventor · disambiguated record
Toshihisa Sakai
Also filed as: SAKAI TOSHIHISA
3 granted patents·53 citations·filing 1989–1995
70Inventor score
Top patents by PatentIndex Score
3 records- 0179US5244470AMethod for marking a water-absorptive contact lens: dyeing dry lens with a mark using reduced vat dye and then making the dye insolubleMENICON CO LTD·Filed 1992·Granted Sep 14, 1993·42 cites·7 claims
- 0240US5543224AHigh molecular electret filmMITA INDUSTRIAL CO LTD·Filed 1995·Granted Aug 6, 1996·6 cites·15 claims
- 0333US5055929AGhost canceler for television and video tape recorderNIPPON DENKI HOME ELECTRONICS·Filed 1989·Granted Oct 8, 1991·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →