Inventor · disambiguated record
Kazuhiko Ohkuma
Also filed as: OHKUMA KAZUHIKO
3 granted patents·18 citations·filing 1975–1979
65Inventor score
Technology areasC07D
Files withNIPPON SODA CO3
Top patents by PatentIndex Score
3 records- 0182US4229465ACyanopyrrole derivativesNIPPON SODA CO·Filed 1979·Granted Oct 21, 1980·14 cites·9 claims
- 0250US4326881APhenylpyrol derivativesNIPPON SODA CO·Filed 1978·Granted Apr 27, 1982·2 cites·1 claims
- 0349US4004022ASpirolactone derivativesNIPPON SODA CO·Filed 1975·Granted Jan 18, 1977·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →