Inventor · disambiguated record
Yukio Narabu
Also filed as: NARABU YUKIO
2 granted patents·1 pending application·137 citations·filing 1987–2006
68Inventor score
Top patents by PatentIndex Score
3 records- 0193US5985864APolymorphs of donepezil hydrochloride and process for productionEISAI CO LTD·Filed 1997·Granted Nov 16, 1999·118 cites·33 claims
- 0275US4906411AProcess for producing 2-methyl-1,4-naphthoquinoneEISAI KAGAKU KK·Filed 1987·Granted Mar 6, 1990·19 cites·6 claims
- 0343US2011105759A1Process for producing 1-benzyl-4- [ (5,6-dimethoxy-1-indanone)-2-ylidene] methylpiperidineIMAI AKIO·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →