TK

Tamotsu Koyama

TL Teijin Limited: 3 patents #422 of 1,631Top 30%
Overall (All Time): #1,644,469 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5656663 External skin treatment agent composition containing isocarbacyclins as active ingredient Atsuo Hazato, Nobuaki Hanajima, Yuji Makino, Toshiaki Takeda, Takehisa Hata +2 more 1997-08-12
5530027 External skin treatment agent composition containing prostacyclins as active ingredient Atsuo Hazato, Nobuaki Hanajima, Yuji Makino, Toshiaki Takeda 1996-06-25
5364883 Isocarbocyclins for the treatment of liver and kidney diseases Kiyoshi Bannai, Toshio Tanaka, Yoshinori Kato, Satoshi ASANO, Akira Ohtsu +3 more 1994-11-15