AN

Akira Nakai

TC Taiho Pharmaceutical Co.: 6 patents #39 of 484Top 9%
OK Otsuka Kagaku Kabushiki Kaisya: 4 patents #18 of 183Top 10%
PC Polyplastics Co.: 4 patents #61 of 292Top 25%
AD Arch Development: 2 patents #85 of 350Top 25%
📍 Okayama, IL: #1 of 1 inventorsTop 100%
Overall (All Time): #428,447 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5886139 Process for producing polyacetal copolymer Kaoru Yamamoto 1999-03-23
5866670 Process for preparing polyacetal copolymer Kaoru Yamamoto, Eiji Masuda, Hiroyuki Kanai 1999-02-02
5728798 Process for preparing polyacetal copolymer Kaoru Yamamoto 1998-03-17
5726276 Process for preparing polyacetal copolymer Eiji Masuda, Kaoru Yamamoto 1998-03-10
5712372 Human thyroid hormone receptor Leslie J. DeGroot 1998-01-27
5438126 Human thyroid hormone receptor DNA Leslie J. DeGroot 1995-08-01
4933444 Process for preparing 2.beta.-substituted-methylpenicillin derivatives Sigeru Torii, Hideo Tanaka, Motoaki Tanaka, Shozo Yamada, Hisashi Ohbayashi 1990-06-12
4912213 Process for preparing penicillanic acid derivatives Masatoshi Taniguchi, Michio Sasaoka, Kiyotoshi Matsumura, Ichiro Kawahara, Kenji Kase +4 more 1990-03-27
4898939 Process for preparing 2.beta.-substituted-methylpenicillin derivatives Sigeru Torii, Hideo Tanaka, Motoaki Tanaka, Shozo Yamada 1990-02-06
4895941 Process for preparing 2.alpha.-methyl-2.beta.-(1,2,3-triazol-1-yl)methylpenam-3.alpha.-carboxy lic acid derivatives Sigeru Torii, Hideo Tanaka, Motoaki Tanaka, Shozo Yamada 1990-01-23
4891369 2.beta.-Substituted-methylpenicillanic acid derivatives, and salts and esters thereof Sigeru Torii, Hideo Tanaka, Motoaki Tanaka, Shozo Yamada, Hisashi Ohbayashi +1 more 1990-01-02
4861768 2 .beta.-substituted thiomethylpenicillin derivatives and their preparation and use Sigeru Torii, Hideo Tanaka, Motoaki Tanaka, Shozo Yamada, Hisashi Ohbayashi 1989-08-29