KO

Katsuyuki Otsuka

KC Kaken Pharmaceutical Co.: 3 patents #59 of 335Top 20%
Overall (All Time): #1,639,117 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, Toshihiro Koyama, Mitsuo Hayashida, Masahiro Fujii, Kunio Kimura +2 more 1998-05-26
5672597 Acetamide derivative Nobuo Ishiyama, Toshihiro Koyama, Mitsuo Hayashida, Masahiro Fujii, Kunio Kimura +2 more 1997-09-30
4971985 Pyridylketoxime ether compound and pharmaceutical composition containing it Nobuo Ishiyama, Makoto Watanabe, Kenji Seri, Kazuko Sanai, Kanji Muraoka 1990-11-20