YT

Yukio Takegawa

OC Oriental Photo Industrial Co.: 3 patents #1 of 32Top 4%
HC Hodogaya Chemical Co.: 1 patents #201 of 359Top 60%
Overall (All Time): #1,670,385 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4820617 Heat-developable photosensitive material Tetuya Higuchi, Akira Tsukada 1989-04-11
4725534 Process for producing a heat-developable photosensitive material Kenji Kagami, Kenichi Nishio, Kazunori Shigemori 1988-02-16
4465761 Image-forming photosensitive composition Akira Tukada, Susumu Suzuka, Nobuyoshi Endo 1984-08-14