TN

Takashi Nakatsuka

SL Suntory Holdings Limited: 10 patents #46 of 846Top 6%
DC Daiichi Suntory Pharma Co.: 2 patents #9 of 43Top 25%
NC Nippon Soda Co.: 2 patents #207 of 648Top 35%
DL Daiichi Sankyo Company, Limited: 1 patents #515 of 842Top 65%
📍 Mishima, JP: #150 of 754 inventorsTop 20%
Overall (All Time): #386,091 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8293781 Indole derivatives having cPLA2 inhibiting activity and applications and production methods of the same Toshiyuki Tomoo, Yasuhiro Hayashi, Toyoko Katayama 2012-10-23
6867297 Process for synthesizing 4-substituted azetidinone derivatives Masaji Ishiguro, Rie Tanaka, Tetsuo Shimamoto, Takuro YOSHIDA 2005-03-15
6734180 NF-&kgr;B inhibitor comprising an indan derivative as an active ingredient Yoichi Nunokawa, Masayuki Saitoh, Keiichi Abe 2004-05-11
6051569 1'S, 5R, 6R-carbapenem derivatives and antimicrobial agents comprising the same Masaji Ishiguro, Hidekazu Inoue 2000-04-18
6049009 Production method of optically active trans-vinylsulfide alcohol Kazuto Sekiuchi, Masahiro Imoto, Masaji Ishiguro, Rie Tanaka, Hidekazu Inoue 2000-04-11
5885981 Antibacterial penem esters derivatives Hiromitsu Iwata, Rie Tanaka, Masaji Ishiguro 1999-03-23
5830889 Antibacterial penem esters derivatives Hiromitsu Iwata, Rie Tanaka, Masaji Ishiguro 1998-11-03
5821362 Method of desilylating silylether compounds Akira Kaneko, Tsutomu Kaku, Masaji Ishiguro 1998-10-13
5703068 Penem compounds Hiromitsu Iwata, Rie Tanaka, Masaji Ishiguro 1997-12-30
5506225 Antibacterial penem compounds Hiromitsu Iwata, Rie Tanaka, Masaji Ishiguro 1996-04-09
5026844 Process for the preparation of 4-acyloxy-2-azetidinone derivatives Masaji Ishiguro, Hiromitsu Iwata, Yasuo Yamada 1991-06-25
4997829 Penem compounds, and use thereof Masaji Ishiguro, Hiromitsu Iwata 1991-03-05
4985575 Process for preparing optically active tetrahydro-2-furoic acid Masaji Ishiguro, Hiromitsu Iwata, Kiyoharu Nakayama, Osamu Miyahara, Kenichi Noguchi 1991-01-15