Inventor · disambiguated record
Ryoichi Hashida
Also filed as: HASHIDA RYOICHI
6 granted patents·14 citations·filing 1989–1995
78Inventor score
Top patents by PatentIndex Score
6 records- 0155US5298649ANaphthalene derivativeEISAI CO LTD·Filed 1991·Granted Mar 29, 1994·4 cites·22 claims
- 0255US5134111ANaphthalene derivativeEISAI CO LTD·Filed 1989·Granted Jul 28, 1992·3 cites·6 claims
- 0342US5237091ANaphthalene derivativesEISAI CO LTD·Filed 1992·Granted Aug 17, 1993·2 cites·5 claims
- 0439US5319139ANaphthalene derivativesEISAI CO LTD·Filed 1993·Granted Jun 7, 1994·3 cites·15 claims
- 0537US5262565ANaphthalene derivativesEISAI CO LTD·Filed 1991·Granted Nov 16, 1993·2 cites·12 claims
- 0626US5527948ANaphthalene derivativeEISAI CORP LTD·Filed 1995·Granted Jun 18, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →