Inventor · disambiguated record
Fumihiro Sogawa
Also filed as: SOGAWA FUMIHIRO
3 granted patents·73 citations·filing 1989–1993
74Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD3
Top patents by PatentIndex Score
3 records- 0183US5161148AOptical pick-up using wavelength guide with grating coupler thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 3, 1992·30 cites·6 claims
- 0266US5301059AShort-wavelength light generating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 5, 1994·23 cites·10 claims
- 0360US5274657APhase lock type semiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 28, 1993·20 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →