Inventor · disambiguated record
Masao Hoshikawa
Also filed as: HOSHIKAWA MASAO
5 granted patents·102 citations·filing 1973–1987
81Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES5
Top patents by PatentIndex Score
5 records- 0180US4123483AManufacturing method of an optical waveguideSUMITOMO ELECTRIC INDUSTRIES·Filed 1973·Granted Oct 31, 1978·30 cites·18 claims
- 0275US4097119AOptical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 1975·Granted Jun 27, 1978·40 cites·13 claims
- 0373US4693738AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Sep 15, 1987·22 cites·6 claims
- 0453US4088388AO-Type optical waveguideSUMITOMO ELECTRIC INDUSTRIES·Filed 1976·Granted May 9, 1978·9 cites·2 claims
- 0530US4804393AMethods for producing optical fiber preform and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Feb 14, 1989·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →