KY

Koji Yanagawa

KC Kyowa Hakko Kogyo Co.: 4 patents #233 of 943Top 25%
Overall (All Time): #1,247,420 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7524852 Bicyclic pyrimidine derivatives Hitoshi Arai, Tsutomu Matsumura, Hiroshi Ishida, Yosuke Yamaura, Seiji Aratake +11 more 2009-04-28
6716987 Derivatives of benzofuran or benzodioxazole compounds Etsuo Ohshima, Takashi Kawakita, Kyoichiro Iida, Rie Koike, Yoshisuke Nakasato +7 more 2004-04-06
6514996 Derivatives of benzofuran or benzodioxole Etsuo Ohshima, Takashi Kawakita, Kyoichiro Iida, Rie Koike, Yoshisuke Nakasato +7 more 2003-02-04
6376535 Oxygen-containing heterocyclic compounds Etsuo Ohshima, Haruhiko Manabe, Ichiro Miki, Yoshiaki Masuda 2002-04-23