TW

Tetsuhiko Watanabe

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #4,098,207 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4293702 Method for preparing 4-substituted-N-methylbenzothiazolone derivatives Takeaki Umemura, Haruki Morino, Tamon Uematsu 1981-10-06