Inventor · disambiguated record
Yoshiyuki Kai
Also filed as: KAI YOSHIYUKI
9 granted patents·571 citations·filing 1980–1996
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US4435550AMethod for polymerizing α-olefinUBE INDUSTRIES·Filed 1982·Granted Mar 6, 1984·226 cites·29 claims
- 0295US5342940APolyethylene glycol derivatives, process for preparing the sameSUMITOMO PHARMA·Filed 1993·Granted Aug 30, 1994·108 cites·2 claims
- 0393US5183660APolyethylene glycol derivatives, their modified peptides, methods for producing them and use of the modified peptidesSUMITOMO PHARMA·Filed 1991·Granted Feb 2, 1993·98 cites·14 claims
- 0486US5214131APolyethylene glycol derivatives, modified peptides and production thereofSUMITOMO PHARMA·Filed 1991·Granted May 25, 1993·75 cites·2 claims
- 0577US5093531APolyethylene glycol substituted phenyl glyoxalsSUMITOMO PHARMA·Filed 1989·Granted Mar 3, 1992·33 cites·2 claims
- 0653US4297463AMethod for polymerizing α-olefinUBE INDUSTRIES·Filed 1980·Granted Oct 27, 1981·9 cites·25 claims
- 0747US4365048AMethod for polymerizing α-olefinUBE INDUSTRIES·Filed 1981·Granted Dec 21, 1982·7 cites·24 claims
- 0840US4774319ASynthesis of a derivative of GRF and intermediate peptidesSUMITOMO PHARMA·Filed 1987·Granted Sep 27, 1988·9 cites·9 claims
- 0935US6071845ACatalyst for producing conjugated diene polymerUBE INDUSTRIES·Filed 1996·Granted Jun 6, 2000·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →