KA

Kenichi Arai

MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Overall (All Time): #2,342,127 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10519112 Method for producing heteroaromatic sulfonamide compound Yasuhito Yamamoto, Masayoshi Oue, Masahiko Hagihara, Yukinori Wada, Gen MIZUNO +1 more 2019-12-31
4657704 Production of aminoalkylsulfonic acids Isamu Yamamoto, Yoshiaki Noguchi, Kouzou Iwasaki 1987-04-14