YH

Yutaka Hirai

Canon: 4 patents #158 of 2,200Top 8%
Overall (1997): #5,048 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5658703 Electrophotographic photosensitive member and process for production thereof Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda 1997-08-19
5640663 Electrophotographic method using a cleaning blade to remove residual toner Toshiyuki Komatsu, Katsumi Nakagawa, Teruo Misumi, Tadaji Fukuda 1997-06-17
5593497 Method for forming a deposited film Jinsho Matsuyama, Masao Ueki, Akira Sakai 1997-01-14
5591492 Process for forming and etching a film to effect specific crystal growth from activated species Jinsho Matsuyama, Shigeru Shirai 1997-01-07