Inventor · disambiguated record
Masamichi Shimizu
Also filed as: MATSUI SADAYOSHI · SHIMIZU MASAMICHI
4 granted patents·25 citations·filing 1974–2002
73Inventor score
Top patents by PatentIndex Score
4 records- 0172US3954729AProcess for preparing a thiolcarbamateIHARA CHEMICAL IND CO·Filed 1974·Granted May 4, 1976·11 cites·8 claims
- 0258US4084061AProcess for producing benzyl sodium, phenylacetic acid and derivative thereofIHARA CHEMICAL IND CO·Filed 1976·Granted Apr 11, 1978·5 cites·12 claims
- 0357US7064209B2Process for producing optically active oxoheptenoic acid esterSANKYO CHEM IND LTD·Filed 2002·Granted Jun 20, 2006·4 cites·4 claims
- 0442US4250156AProcess for preparing carbonyl sulfideIHARA CHEMICAL IND CO·Filed 1980·Granted Feb 10, 1981·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →