SA

Shinkichi Asahi

TC Tokyo Ohka Kogyo Co.: 2 patents #345 of 684Top 55%
Overall (All Time): #2,066,180 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8372577 Photosensitive resin compositions and photosensitive dry films using the same Yukihiko Tanaka, Naoya Katsumata 2013-02-12
6322947 Photosensitive composition for sandblasting and photosensitive film laminate comprising the same Ryuma Mizusawa, Syunzi Nakazato, Hiroyuki Obiya 2001-11-27