Inventor · disambiguated record
Michihisa Isobe
Also filed as: ISOBE MICHIHISA
5 granted patents·104 citations·filing 1982–1997
81Inventor score
Files withSUMITOMO CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0183US5135791AOptical deviceSUMITOMO CHEMICAL CO·Filed 1990·Granted Aug 4, 1992·35 cites·3 claims
- 0276US4785053AOptical resin material having improved birefringenceSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 15, 1988·23 cites·8 claims
- 0370US6087031APolymer electrolyte and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1997·Granted Jul 11, 2000·39 cites·7 claims
- 0438US4385168AProcess for producing polyphenylene oxideSUMITOMO CHEMICAL CO·Filed 1982·Granted May 24, 1983·4 cites·21 claims
- 0535US4812345AOptical disk substrateSUMITOMO CHEMICAL CO·Filed 1988·Granted Mar 14, 1989·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →