Inventor · disambiguated record
Ryoichi Machida
Also filed as: MACHIDA RYOICHI
3 granted patents·78 citations·filing 1982–1994
74Inventor score
Files withEISAI CO LTD3
Top patents by PatentIndex Score
3 records- 0188US4397951AElastase-containing composition permitting elastase to be absorbed in increased amountEISAI CO LTD·Filed 1982·Granted Aug 9, 1983·39 cites·7 claims
- 0262US5980947AProcess for producing drug-containing microspheres by oil-in-water evaporation processEISAI CO LTD·Filed 1994·Granted Nov 9, 1999·31 cites·14 claims
- 0338US5254545AInjectable preparations containing cephalosporin medicamentEISAI CO LTD·Filed 1990·Granted Oct 19, 1993·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →