Inventor · disambiguated record
Norio Hirokawa
Also filed as: HIROKAWA NORIO
5 granted patents·57 citations·filing 1979–1998
80Inventor score
Top patents by PatentIndex Score
5 records- 0186US4435210ARefining agent of molten metal and methods for producing the sameSHOWA DENKO KK·Filed 1983·Granted Mar 6, 1984·18 cites·22 claims
- 0257US4225348ALime bearing agent for use in refining of ferrous meltSHOWA DENKO KK·Filed 1979·Granted Sep 30, 1980·5 cites·6 claims
- 0352US4948618AProcess for tempering edible plastic fat productsKANEGAFUCHI CHEMICAL IND·Filed 1989·Granted Aug 14, 1990·17 cites·10 claims
- 0451US6160096ARegenerated collagen fiber and method of manufacturing the sameKANEKA CORP·Filed 1998·Granted Dec 12, 2000·13 cites·10 claims
- 0532US5378786ASpherical vinyl chloride granules for paste moldingKANEGAFUCHI CHEMICAL IND·Filed 1992·Granted Jan 3, 1995·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →