FS

Fumio Sumino

Canon: 11 patents #5,840 of 19,416Top 35%
Overall (All Time): #474,217 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5389478 Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same Akira Yoshida, Koji Goto 1995-02-14
5312709 Image holding member and apparatus making use of it Susumu Kadokura, Teigo Sakakibara 1994-05-17
5279916 Process for producing electrophotographic photosensitive member 1994-01-18
5008168 Photosensitive member for electrophotography Masaru Nakagawa, Masaaki Hiro, Noboru Kashimura, Shin Nagahara 1991-04-16
4932860 Electrophotographic photosensitive member Toshiyuki Yoshihara, Masaaki Hiro, Yoichi Kawamorita, Masaru Nakagawa, Noboru Kashimura +2 more 1990-06-12
4618552 Light receiving member for electrophotography having roughened intermediate layer Shigemori Tanaka, Hitoshi Toma 1986-10-21
4617245 Light receiving member having tapered reflective surfaces between substrate and light receiving layer Shigemori Tanaka, Keiji Kubo, Masafumi Hisamura, Hitoshi Toma, Naoto Fujimura 1986-10-14
4535043 Electrophotographic photosensitive member Shozo Ishikawa, Hitoshi Toma 1985-08-13
4464449 Recording method having uniform exposure, charging, and infrared image exposure Isamu Kajita 1984-08-07
4461753 Process for producing photoconductive cadmium sulfide Kiyoshi Suzuki 1984-07-24
4434219 Electrophotographic photosensitive member comprising photoconductive powder and a deionized binder resin 1984-02-28