KO

Kengo Otsuka

MI Mitsui Toatsu Chemicals, Incorporated: 9 patents #124 of 1,543Top 9%
Basf Se: 2 patents #5,851 of 13,826Top 45%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
Overall (All Time): #422,154 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8354529 Polyamine derivative and polyol derivative Naruyoshi Mita, Mitsuaki Chida, Masaru Kawaguchi, Naoshi Nagai, Takaaki Yamazaki +1 more 2013-01-15
8076478 Polyamine derivative and polyol derivative Naruyoshi Mita, Mitsuaki Chida, Masaru Kawaguchi, Naoshi Nagai, Takaaki Yamazaki +1 more 2011-12-13
7026515 Optically active amine derivatives and preparation process therefor Hidetoshi Tsunoda, Kunio Okumura 2006-04-11
5532349 Process for producing 1-(2'-deoxy-.beta.-D-erythro-pentofuranosyl)-5-trifluoromethyluracil derivatives Nobuya Kawauchi, Nobuyuki Fukazawa, Hiroki Ishibashi 1996-07-02
5463061 Process for production of glycide derivative Nobuyuki Fukazawa, Tsuneji Suzuki, Nobuya Kawauchi, Hironori Komatsu, Yuki Nakajima 1995-10-31
5434155 Quinoline derivative fumarates Nobuyuki Fukazawa, Tuneji Suzuki, Osamu Yano, Daiji Iwata, Yukichi Kawai 1995-07-18
5405843 Quinoline derivatives Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Takashi Tsuruo, Wakao Sato 1995-04-11
5232923 Catechol derivatives and pharmaceutical preparations containing same Nobuyuki Fukazawa, Shimada Shizuo, Yukio Miyama, Fumiaki Ikeda, Tatsuo Kaiho 1993-08-03
5204348 Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Takashi Tsuruo, Wakao Sato 1993-04-20
5112817 Quinoline derivatives Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Takashi Tsuruo, Wakao Sato 1992-05-12
4782154 Isoquinoline derivatives Tatsuo Kaiho, Seitaro Kajiya, Masahiko Maruyama, Makoto Hirayama 1988-11-01
4639521 Isoquinoline derivatives Kunio Sannohe, Toshohiko Ito, Masahiko Maruyama, Takafumi Kitano, Makoto Hirayama 1987-01-27