RY

Ryo Yoshida

IC Ihara Chemical Industry Co.: 1 patents #9 of 41Top 25%
KC Kumiai Chemical Industry Co.: 1 patents #9 of 23Top 40%
SC Sumitomo Chemical: 1 patents #131 of 368Top 40%
Overall (1994): #20,639 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5349108 5-substituted-2,4-diphenylpyrimidine derivatives, their production and use Junichi Sato, Yuzuru Sanemitsu, Shinichi Kawamura, Nobuaki Mito, Tatsuhiro Hamada 1994-09-20
5302739 Pyrimidine or triazine derivatives Masatoshi Tamaru, Norihiro Kawamura, Masahiro Sato, Fumiaki Takabe, Shigehiko Tachikawa 1994-04-12