Inventor · disambiguated record
Nanao Watanabe
Also filed as: AKIMOTO HARUHITO · WATANABE NANAO
5 granted patents·10 citations·filing 1978–1998
71Inventor score
Technology areasC07D
Files withKOEI CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0156US5734055AProcess for preparing N-tert-butyl-2-pyrazinecarboxamide and N-tert-butyl-2-piperazinecarboxamideKOEI CHEMICAL CO·Filed 1994·Granted Mar 31, 1998·6 cites·2 claims
- 0251US4182880A1,8-Naphthyridine compounds and process for preparing the sameKOEI CHEMICAL CO·Filed 1978·Granted Jan 8, 1980·3 cites·22 claims
- 0332US5496949APyrazine derivativesKOEI CHEMICAL CO·Filed 1994·Granted Mar 5, 1996·1 cites·3 claims
- 0427US5668281AProcess for preparing tertiary amine-N-oxideKOEI CHEMICAL CO·Filed 1996·Granted Sep 16, 1997·0 cites·9 claims
- 0525US5922873AProcess for preparing N-tert-butyl-2-pyrazinecarboxamide and N-tert-butyl-2-piperazinecarboxamideKOEI CHEMICAL CO·Filed 1998·Granted Jul 13, 1999·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →