TK

Tadashi Katayama

SC Sumitomo Chemical: 5 patents #946 of 4,033Top 25%
📍 Toyonaka, JP: #290 of 1,166 inventorsTop 25%
Overall (All Time): #1,036,984 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6869913 Pyridazin-3-one derivatives, their use and intermediates for their production Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine 2005-03-22
6703503 Pyridazin-3-one derivatives, their use, and intermediates for their production Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine 2004-03-09
6482773 Pyridazin-3-one derivatives, their use, and intermediates for their production Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine 2002-11-19
6348628 Pyridazin-3-one derivatives, their use, and intermediates for their production Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine 2002-02-19
6090753 Pyridazin-3-one derivatives, their use, and intermediates for their production Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine 2000-07-18