HY

Hirohiko Yamamoto

TC Toyama Chemical Co.: 3 patents #87 of 270Top 35%
📍 Toyama, JP: #533 of 1,699 inventorsTop 35%
Overall (All Time): #1,271,132 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6482835 PROCESSES FOR PRODUCING 7-ISOINDOLINE-QUINOLONECARBOXYLIC ACID DERIVATIVE AND ITS INTERMEDIATE, AS WELL AS SALT OF 7-ISOINDOLINE-QUINOLONECARBOXYLIC ACID DERIVATIVE, ITS HYDRATE AND COMPOSITION COMPRISING THE SAME AS ACTIVE INGREDIENT Minoru Yamada, Shoichi Hamamoto, Kazuya Hayashi, Kazuko Takaoka, Hiroko Matsukura +7 more 2002-11-19
6337399 Processes for producing 7-isoindolinequinolonecarboxylic derivatives and intermediates therefor, salts of 7-isoindolinequinolonecarboxylic acids, hydrates thereof, and composition containing the same as active ingredient Minoru Yamada, Shoichi Hamamoto, Kazuya Hayashi, Kazuko Takaoka, Hiroko Matsukura +7 more 2002-01-08
6153613 2,3-diketopiperazine derivatives or their salts Satoshi Ono, Tetsuo Yamafuji, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga 2000-11-28
5877174 2,3-diketopiperazine derivatives or their salts Satoshi Ono, Tetsuo Yamafuji, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga 1999-03-02