Inventor · disambiguated record

Akiyo Ohtsuka

Also filed as: OHTSUKA AKIYO

2 granted patents·193 citations·filing 1996–1997

70Inventor score

Technology areasA61P C07D

Files withEISAI CO LTD2

Top patents by PatentIndex Score

2 records

0193US5985864APolymorphs of donepezil hydrochloride and process for productionEISAI CO LTD·Filed 1997·Granted Nov 16, 1999·118 cites·33 claims
0283US6140321APolymorphs of donepezil hydrochloride and process for productionEISAI CO LTD·Filed 1996·Granted Oct 31, 2000·75 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →