Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888620 | Process cartridge and image forming apparatus using the same | Hitoshi Fujino, Takamasa Sawada, Osamu Ohuchi, Tadashi Yagi, Yasuyoshi Hayakawa | 1989-12-19 |
| 4873548 | Image forming apparatus comprising a main assembly having a top frame adapted to swing open and closed with respect to a bottom frame and having process cartridge detachably mounted in the main assembly | Hitoshi Fujino, Tadashi Yagi, Nobukazu Adachi, Yasuyoshi Hayakawa, Takeshi Setoriyama | 1989-10-10 |
| 4673956 | Reduced vibration in a two part assembly for an image recording apparatus | — | 1987-06-16 |
| 4625143 | Multicolor complex type cathode-ray tube for use as light source | — | 1986-11-25 |
| 4623821 | Color image display device | — | 1986-11-18 |
| 4454446 | Cathode ray tube for a light source | — | 1984-06-12 |
| 4405881 | Color cathode ray tube including Nd.sub.2 O.sub.3 and Cr.sub.2 O.sub.3 in face glass | — | 1983-09-20 |
| 4336480 | Cathode ray tube | — | 1982-06-22 |
| 4326150 | Cathode ray tube device for display system | — | 1982-04-20 |
| 4323306 | Developer cleaning device for electrophotography | Yoshio Ito, Katuhiko Yamada, Tadayuki Kitajima, Koichi Miyamoto, Yoshikuni Mohvama | 1982-04-06 |
| 4218131 | Cleaning device | Yoshio Ito, Katuhiko Yamada, Tadayuki Kitajima, Koichi Miyamoto, Yoshikuni Tohyama | 1980-08-19 |