HN

Hiroyuki Naka

EC Eisai R&D Management Co.: 3 patents #243 of 817Top 30%
EI Eisai: 1 patents #611 of 998Top 65%
YC Yamakawa Chemical Industry Co.: 1 patents #5 of 26Top 20%
📍 Tsukuba, JP: #876 of 2,818 inventorsTop 35%
Overall (All Time): #1,212,154 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9045426 Method for producing 1,2-dihydropyridine-2-one compound Itaru Arimoto, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito +3 more 2015-06-02
8772497 Method for producing 1, 2-dihydropyridine-2-one compound Itaru Arimoto, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito +3 more 2014-07-08
7563811 1,2-dihydropyridine compounds, manufacturing method thereof and use thereof Satoshi Nagato, Kohshi Ueno, Koki Kawano, Yoshihiko Norimine, Koichi Ito +9 more 2009-07-21
6620945 Process for producing stereoisomer of pyrrolidine derivative Toyokazu Haga, Akio Kayano, Manabu Sasyou, Shigeto Negi, Hirofumi Noda +1 more 2003-09-16