Inventor · disambiguated record

Sigeki Ohnishi

Also filed as: OHNISHI SIGEKI

2 granted patents·34 citations·filing 1996–1998

64Inventor score

Technology areasG02B G02F

Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD2

Top patents by PatentIndex Score

2 records

0155US5872884AOptical waveguide conversion deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 16, 1999·18 cites·20 claims
0249US5991490AOptical waveguide and optical wavelength conversion deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 23, 1999·16 cites·20 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →