Inventor · disambiguated record
Fumio Kagawa
Also filed as: KAGAWA FUMIO
4 granted patents·185 citations·filing 1976–1989
81Inventor score
Files withSHOWA DENKO KK4
Top patents by PatentIndex Score
4 records- 0192US5080378ASilicon carbide sintered body for mechanical seal and mechanical seal using the sameSHOWA DENKO KK·Filed 1989·Granted Jan 14, 1992·74 cites·9 claims
- 0288US4106915AAbrader for mirror polishing of glassSHOWA DENKO KK·Filed 1976·Granted Aug 15, 1978·56 cites·3 claims
- 0370US4555250AGrinding sheet and process for preparing sameSHOWA DENKO KK·Filed 1984·Granted Nov 26, 1985·25 cites·22 claims
- 0468US4783041AMold for molding optical discSHOWA DENKO KK·Filed 1987·Granted Nov 8, 1988·30 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →