RK

Ritsuko Katahira

KC Kyowa Hakko Kogyo Co.: 2 patents #380 of 943Top 45%
Overall (All Time): #2,272,355 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5663298 UCK14 compounds Tamio Mizukami, Akira Asai, Yoshinori Yamashita, Atsuhiro Hasegawa, Keiko Ochiai +1 more 1997-09-02
5656736 Compound UCH9 Hirofumi Nakano, Harumi Ogawa, Yoshinori Yamashita, Shigeru Chiba, Toshiaki Iwasaki +1 more 1997-08-12