YT

Yukihisa Takisawa

SC Sumitomo Chemical: 6 patents #802 of 4,033Top 20%
Overall (All Time): #894,135 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4958033 Process for preparing alcohols Nobuharu Kono, Kenji Saito, Hiroshi Yamachika 1990-09-18
4822898 Ascorbic acid or erythorbic acid derivatives Kazuo Kamaya 1989-04-18
4398043 Process for preparing cyclopentenolones Kenji Saito, Hiroshi Yamachika 1983-08-09
4398047 2-Substituted-4,6-di-t-butylresorcinol Shinichi Hasegawa 1983-08-09
4352756 Production of furfuryl alcohols Kenji Saito, Hiroshi Yamachika 1982-10-05
4337370 Process for the preparation of resorcinol derivatives Shinichi Hasegawa 1982-06-29