AS

Akihiko Shimotani

EC Eisai Chemical Co.: 3 patents #12 of 27Top 45%
EC Eisai R&D Management Co.: 1 patents #478 of 817Top 60%
📍 Ibaraki, JP: #2,214 of 6,779 inventorsTop 35%
Overall (All Time): #1,246,237 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7479563 Method of producing polymorphic crystals of donepezil hydrochloride Akio Imai 2009-01-20
5665888 Protected aminothiazolylacetic acid derivatives Yoshio Urawa, Takeo Kanai, Masahiko Tsujii 1997-09-09
5650518 Protected aminothiazolylacetic acid derivatives Yoshio Urawa, Takeo Kanai, Masahiko Tsujii 1997-07-22
5631378 Protected aminothiazolylacetic acid derivatives Yoshio Urawa, Takeo Kanai, Masahiko Tsujii 1997-05-20