Inventor · disambiguated record
Osamu Kogawa
Also filed as: KOGAWA OSAMU
3 granted patents·37 citations·filing 1991–1997
70Inventor score
Files withNIPPON KAYAKU KK3
Top patents by PatentIndex Score
3 records- 0157US5747502AProcess for preparing benzo c!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agentsNIPPON KAYAKU KK·Filed 1992·Granted May 5, 1998·24 cites·12 claims
- 0247US5130450APlatinum complexesNIPPON KAYAKU KK·Filed 1991·Granted Jul 14, 1992·5 cites·5 claims
- 0345US6251355B1Fine cisplatin powder and process for the production thereofNIPPON KAYAKU KK·Filed 1997·Granted Jun 26, 2001·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →