KA

Katsuhiko Ando

KC Kyowa Hakko Kogyo Co.: 32 patents #11 of 943Top 2%
Overall (All Time): #108,927 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5142096 2,4-dihydroxy-3,5,6-trimethylbenzoic acid compounds Kazutoshi Kuroda, Hiroshi Kase, Isao Kawamoto, Toru Yasuzawa, Hiroshi Sano +2 more 1992-08-25
5079376 Novel substance UCT-1003 and process for producing the same Hirofumi Nakano, Yoshinori Yamashita, Yutaka Saito, Keiichi Takahashi, Hiroe Ohno 1992-01-07
4992570 UCN-1028A and UCN-1028C and process for the production thereof Hirofumi Nakano, Eiji Kobayashi, Isami Takahashi, Mayumi Yoshida, Shiro Akinaga +1 more 1991-02-12
4990693 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation Satoshi Nakanishi, Koji Yamada, Isao Kawamoto, Toru Yasuzawa, Hiroshi Sano +4 more 1991-02-05
4983775 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation Satoshi Nakanishi, Koji Yamada, Isao Kawamoto, Toru Yasuzawa, Hiroshi Sano +4 more 1991-01-08
4914198 Novel substance UCY1003 and process for preparing the same Hirofumi Nakano, Mitsunobu Hara, Yoshinori Yamashita, Isao Kawamoto, Hiroshi Sano +2 more 1990-04-03
4912132 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation Satoshi Nakanishi, Koji Yamada, Isao Kawamoto, Toru Yasuzawa, Hiroshi Sano +4 more 1990-03-27
4868159 Novel substances KS-501 and KS-502 and process for their preparation Satoshi Nakanishi, Koji Yamada, Isao Kawamoto, Hiroshi Sano, Toru Yasuzawa +1 more 1989-09-19