SK

Seizo Konishi

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #4,086,203 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4257770 Disazo dye composition Nobuzi Nishimura, Masayuki Tsuji, Tadashi Yamamoto, Takemi Tokieda, Utazi Sawa +1 more 1981-03-24