KS

Kazuhiko Sekizawa

TO Tosoh: 1 patents #8 of 54Top 15%
TC Toyo Soda Manufacturing Co.: 1 patents #10 of 48Top 25%
📍 Nanyo, JP: #4 of 17 inventorsTop 25%
Overall (1989): #22,744 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4861929 Process for producing halogenated benzene derivative using zeolite catalyst Takanori Miyake, Toshio Hironaka, Yukihiro Tsutsumi 1989-08-29
4849560 Process for preparation of halogenated benzene derivatives Takanori Miyake, Toshio Hironaka, Yukihiro Tsutsumi 1989-07-18