KK

Keiichi Kuwahara

OC Otsuka Pharmaceutical Co.: 2 patents #437 of 1,273Top 35%
📍 Ako, JP: #41 of 114 inventorsTop 40%
Overall (All Time): #2,243,002 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6133264 Carbostyril derivatives for inhibiting skin erythema and/or skin pigmentation Yasuo Oshiro, Takao Nishi, Kozo Watanabe 2000-10-17
5786367 Cyclic amide derivatives Yasuo Oshiro, Tatsuyoshi Tanaka, Takao Nishi, Shigeki Fujisawa, Keiko Takasu +1 more 1998-07-28