Inventor · disambiguated record
Hidefumi Ohta
Also filed as: OHTA HIDEFUMI
7 granted patents·1 pending application·69 citations·filing 1994–2003
84Inventor score
Top patents by PatentIndex Score
8 records- 0183US6831112B2Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foamSANYO CHEMICAL IND LTD·Filed 2001·Granted Dec 14, 2004·25 cites·35 claims
- 0282US6164842ACamera having a lens barrier unit opening/closing mechanismNIKON CORP·Filed 1998·Granted Dec 26, 2000·20 cites·25 claims
- 0364US5729775ACamera having film counterNIKON CORP·Filed 1996·Granted Mar 17, 1998·8 cites·7 claims
- 0462US5617172ACamera battery cover structureNIKON CORP·Filed 1996·Granted Apr 1, 1997·7 cites·15 claims
- 0547US5459172AProcess for manufacturing polyurethane foamsSANYO CHEMICAL IND LTD·Filed 1994·Granted Oct 17, 1995·7 cites·22 claims
- 0638US2005245724A1Process for production of polymer polyol, and polymer polyolSANYO CHEMICAL IND LTD·Filed 2003·Application pending·0 cites
- 0737US5890027AMiniaturized camera employing motor membersNIKON CORP·Filed 1996·Granted Mar 30, 1999·1 cites·9 claims
- 0837US5669024ACamera having a red-eye reduction lamp arranged with respect to a strobe light generating unit to provide a compact cameraNIKON CORP·Filed 1996·Granted Sep 16, 1997·1 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →