TK

Toshihiro Koyama

KC Kaken Pharmaceutical Co.: 3 patents #59 of 335Top 20%
Overall (All Time): #1,639,121 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5756822 Aminoethanethiol derivative Nobuo Ishiyama, Mitsuo Hayashida, Katsuyuki Otsuka, Masahiro Fujii, Kunio Kimura +2 more 1998-05-26
5672597 Acetamide derivative Nobuo Ishiyama, Mitsuo Hayashida, Katsuyuki Otsuka, Masahiro Fujii, Kunio Kimura +2 more 1997-09-30
5190959 Piperidine compounds which have useful pharmaceutical activity Satoshi Murai, Masanao Shimano, Hiroshi Yamamoto, Tsutomu Nakamura, Masaru Ogawa +3 more 1993-03-02