HK

Hirotsugu Kumazawa

TC Tokyo Ohka Kogyo Co.: 3 patents #291 of 684Top 45%
Overall (All Time): #1,407,827 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11236297 Method of producing cell culture chip Takashi Fujimoto, Emi Maeno, Yasushi Fujii 2022-02-01
5439519 Solution applying apparatus Hiroyoshi Sago, Futoshi Shimai, Shigemi Fujiyama, Hiroki Endo, Hideya Kobari 1995-08-08
5349978 Cleaning device for cleaning planar workpiece Hiroyoshi Sago, Shigemi Fujiyama, Katsuhiko Kudo 1994-09-27