SO

Susumu Ohtsuka

SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
OC Ono Pharmaceutical Co.: 2 patents #224 of 559Top 45%
Overall (All Time): #1,259,763 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, Yasunobu Miyamoto, Tomoyasu Yoshida, Itsuo Okumoto 2006-08-22
6861566 Process for producing 1-chloro-4-arylbutane Hiroaki Hibino, Yasunobu Miyamoto, Itsuo Okumoto 2005-03-01
5101076 .beta.-hydroxyketone and its production Mitsunori Hiratsuka, Masao Shiroshita, Kenji Arai, Naonori Hirata 1992-03-31
5041679 Beta-hydroxyketone and its production Mitsunori Hiratsuka, Masao Shiroshita, Kenji Arai, Naonori Hirata 1991-08-20