HK

Hirotsugu Kumazawa

TC Tokyo Ohka Kogyo Co.: 1 patents #9 of 38Top 25%
Overall (1994): #125,511 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5349978 Cleaning device for cleaning planar workpiece Hiroyoshi Sago, Shigemi Fujiyama, Katsuhiko Kudo 1994-09-27