Inventor · disambiguated record

Hisasi Izumita

Also filed as: IZUMITA HISASI

2 granted patents·2 citations·filing 1991–1994

43Inventor score

Technology areasG02B

Files withSUMITOMO ELECTRIC INDUSTRIES2

Top patents by PatentIndex Score

2 records

0128USRE35222EOptical fiber component optical coupler and method of producing thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Apr 30, 1996·1 cites·17 claims
0228US5202947AOptical fiber component optical coupler and method of producing thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Apr 13, 1993·1 cites·17 claims

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