Inventor · disambiguated record
Kouichi Ohkawa
Also filed as: OHKAWA KOUICHI
3 granted patents·1 citations·filing 1995–1997
51Inventor score
Files withNIPPON KAYAKU KK3
Top patents by PatentIndex Score
3 records- 0125US5637680AProcess for the preparation of etoposide phosphate and intermediate thereofNIPPON KAYAKU KK·Filed 1995·Granted Jun 10, 1997·0 cites·10 claims
- 0225US5606039AEtoposide phosphate and preparative intermediatesNIPPON KAYAKU KK·Filed 1995·Granted Feb 25, 1997·0 cites·10 claims
- 0323US5900503AProcess for producing optically active cyanohydrinsNIPPON KAYAKU KK·Filed 1997·Granted May 4, 1999·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →