YU

Yoshio Urawa

EC Eisai Chemical Co.: 6 patents #1 of 16Top 7%
EI Eisai: 3 patents #14 of 180Top 8%
📍 Ibaraki, JP: #7 of 586 inventorsTop 2%
Overall (1997): #1,946 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5700938 Intermediates for imidazopyridine derivatives Ken Furukawa, Toshikazu Shimizu, Yoji Yamagishi, Tomio Tsurugi, Tomio Ichino 1997-12-23
5665888 Protected aminothiazolylacetic acid derivatives Akihiko Shimotani, Takeo Kanai, Masahiko Tsujii 1997-09-09
5650518 Protected aminothiazolylacetic acid derivatives Akihiko Shimotani, Takeo Kanai, Masahiko Tsujii 1997-07-22
5631378 Protected aminothiazolylacetic acid derivatives Akihiko Shimotani, Takeo Kanai, Masahiko Tsujii 1997-05-20
5618969 Intermediates for imidazopyridines Ken Furukawa, Toshikazu Shimizu, Yoji Yamagishi, Tomio Tsurugi, Tomio Ichino 1997-04-08
5608068 Process for the preparation of imidazopyridine derivatives and intermediates Ken Furukawa, Toshikazu Shimizu, Yoji Yamagishi, Tomio Tsurugi, Tomio Ichino 1997-03-04