IO

Itsuo Okumoto

OC Ono Pharmaceutical Co.: 4 patents #143 of 559Top 30%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
📍 Ashiya, JP: #85 of 346 inventorsTop 25%
Overall (All Time): #1,259,764 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7094914 Process for producing chromone compound Hiroaki Hibino, Susumu Ohtsuka, Yasunobu Miyamoto, Tomoyasu Yoshida 2006-08-22
6861566 Process for producing 1-chloro-4-arylbutane Hiroaki Hibino, Susumu Ohtsuka, Yasunobu Miyamoto 2005-03-01
4310533 Guanidinobenzoic acid derivatives Yoshiaki Uegai, Tsuyoshi Watanabe, Masashi Shiota, Naohiro Kayama 1982-01-12
4283418 Guanidinobenzoic acid derivatives and process for their preparation Setsuro Fujii, Tsuyoshi Watanabe, Masashi Shiota, Naohiro Kayama 1981-08-11