MO

Masayuki Ohshima

DC Daiichi Pharmaceutical Co.: 2 patents #103 of 399Top 30%
DC Daiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
Overall (All Time): #1,662,277 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5142046 Optically active pyridobenzoxazine derivatives and intermediates thereof Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more 1992-08-25
5053407 Optically active pyridobenzoxazine derivatives and anti-microbial use Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more 1991-10-01
4985557 Optically active pyridobenzoxazine derivatives and intermediates thereof Isao Hayakawa, Shohgo Atarashi, Masazumi Imamura, Shuichi Yokohama, Nobuyuki Higashihashi +1 more 1991-01-15