YI

Yoshimasa Ishimura

SK Showa Denko K.K.: 7 patents #183 of 1,736Top 15%
SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #665,526 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6245920 Metal raney catalysts and preparation of hydrogenated compounds therewith Kouhei Morikawa, Shuuji Hirayama, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more 2001-06-12
6215030 Noble metal raney catalysts and preparation of hydrogenated compounds therewith Kouhei Morikawa, Shuuji Hirayama, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more 2001-04-10
6018048 Noble metal Raney catalysts and preparation of hydrogenated compounds therewith Kouhei Morikawa, Shuuji Hirayama, Yuseki Suyama, Tsutomu Nozawa, Hiroyuki Monzen +3 more 2000-01-25
5496532 Process for producing hydrogen peroxide Hiroyuki Monzen, Kazuhiko Hiromoto, Shuji Hirayama, Nobuyuki Kondo, Haruki Ishigami 1996-03-05
5350775 Benzopyran derivative, method for producing the same and use thereof Yutaka Ohnishi, Naoaki Misu, Nobutake Mihara 1994-09-27
5110951 Method for producing L-ascorbic acid 2-phosphates Yohei Kurata 1992-05-05
5001246 Process for preparation of aminopropylalkoxysilane Nobuyuki Nagato, Hideo Takahashi 1991-03-19
4942261 Process for preparation of allyl type amine Takami Oe, Yuseki Suyama, Nobuyuki Nagato 1990-07-17