Inventor · disambiguated record
Kokichi Miyazawa
Also filed as: MIYAZAWA KOKICHI
4 granted patents·33 citations·filing 1977–1990
74Inventor score
Files withISHIHARA MINING & CHEMICAL CO4
Top patents by PatentIndex Score
4 records- 0173US4137293AProducing gypsum and magnetite from ferrous sulfate and separatingISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted Jan 30, 1979·16 cites·5 claims
- 0254US4414245AProcess for producing cobalt containing ferromagnetic iron oxidesISHIHARA MINING & CHEMICAL CO·Filed 1982·Granted Nov 8, 1983·9 cites·8 claims
- 0343US4501774AProcess for the production of cobalt-containing magnetic iron oxide powderISHIHARA MINING & CHEMICAL CO·Filed 1982·Granted Feb 26, 1985·5 cites·12 claims
- 0430US5143542AProcess for producing magnetic metal powder for magnetic recordingISHIHARA MINING & CHEMICAL CO·Filed 1990·Granted Sep 1, 1992·3 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →