YH

Yukio Hirayama

BC Banyu Pharmaceutical Co.: 2 patents #151 of 330Top 50%
SC Sankyo Holdings Co.: 2 patents #300 of 700Top 45%
Overall (All Time): #1,283,766 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5948938 Process for preparing N-phosphonomethylglycine Kunio Nakano, Shuzi Sayama, Naohiko Ohashi 1999-09-07
5451675 Process for the preparatuon of 3-alkoxymethyl cephalosporin derivatives Syuzi Sayama, Kiyomi Yamaguchi, Shigeru Miyamoto, Yasuo Takahashi, Keisuke Kato +2 more 1995-09-19
4737494 1,3-dithiole derivatives and pharmaceutical compositions Mitsuo Yano, Yoshimi Tsuchiya, Kyoko Nakamichi, Junji Yoshizawa 1988-04-12
4668799 Anti-hepatitis and anti-cirrhotic 1,3-dithiol-2-ylidene derivatives, and pharmaceutical compositions therefor Junji Yoshizawa, Yoshimi Tsuchiya, Kaoru Shimada, Nobuyuki Mino, Kyoko Nakamichi +1 more 1987-05-26