Inventor · disambiguated record
Katuya Kumagai
Also filed as: KUMAGAI KATUYA
4 granted patents·67 citations·filing 1976–1984
77Inventor score
Top patents by PatentIndex Score
4 records- 0187US4511617AMagnetic recording mediumTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Apr 16, 1985·38 cites·13 claims
- 0261US4052358APigmentable low-shrinkage unsaturated polyester resin compositionTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted Oct 4, 1977·15 cites·9 claims
- 0351US4540627AMagnetic recording mediumTOSHIBA KK·Filed 1984·Granted Sep 10, 1985·9 cites·5 claims
- 0437US4395435AMethod for manufacturing information recording mediumTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jul 26, 1983·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →