AK

Akio Kayano

EI Eisai: 5 patents #240 of 998Top 25%
EC Eisai R&D Management Co.: 3 patents #243 of 817Top 30%
YC Yamakawa Chemical Industry Co.: 1 patents #5 of 26Top 20%
📍 Ibaraki, JP: #1,290 of 6,779 inventorsTop 20%
Overall (All Time): #648,097 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 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
8304548 Method for producing 1, 2-dihydropyridine-2-one compound Katsutoshi Nishiura 2012-11-06
7375236 Methods for producing cyclic benzamidine derivatives Naoyuki Shimomura, Manabu Sasho, Kazuhiro Yoshizawa, Masahiko Tsujii, Hiroshi Kuroda +1 more 2008-05-20
7084268 Carbapenem compound crystals and interjection preparations Hiroyuki Chiba, Masahiko Tsujii, Astsushi Koiwa, Shin Sakurai, Hiroyuki Ishizuka +8 more 2006-08-01
6642377 Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalates Hiroyuki Chiba, Taiju Nakamura, Shin Sakurai, Hiroyuki Ishizuka, Hiroyuki Saito +4 more 2003-11-04
6620945 Process for producing stereoisomer of pyrrolidine derivative Toyokazu Haga, Manabu Sasyou, Shigeto Negi, Hiroyuki Naka, Hirofumi Noda +1 more 2003-09-16
6313303 Process for the preparation of pyridine derivatives Katsuya Tagami, Nobuo Niikawa, Hirofumi Kuroda 2001-11-06