Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477308 | Image forming apparatus having an image-quality correction function | Yasutaka Maeda, Yoichi Shimazawa, Mihoko Okada, Yuichi Kazaki, Shin-ichirou Ohhashi +1 more | 1995-12-19 |
| 5233391 | Image adjusting apparatus having a controlled the voltage applied to the light source thereof | Yasutaka Maeda, Hiroshi Kawamoto | 1993-08-03 |
| 5138386 | Developing apparatus | Tokiyuki Okano, Kiyoshi Inamoto, Hidetomo Nishiyama, Kazunori Sohda, Masato Tokishige +1 more | 1992-08-11 |
| 5095332 | Data processing apparatus provided in copying machine | Kiyoshi Inamoto, Masato Tokishige, Takeshi Takarada | 1992-03-10 |
| 5070368 | Developing apparatus | Tokiyuki Okano, Kiyoshi Inamoto, Hidetomo Nishiyama, Kazunori Sohda, Masato Tokishige +1 more | 1991-12-03 |
| 5049930 | System for preventing erroneous mounting of developer tanks accommodated in a developing device | Tokiyuki Okano, Yoichi Shimazawa, Kazunori Sohda, Kiyoshi Inamoto, Masato Tokishige | 1991-09-17 |
| 4952986 | Copying apparatus | Yasutaka Maeda, Hideyuki Nishimura, Tsuyoshi Miyamoto, Kyouichi Takata, Kiyoshi Inamoto +6 more | 1990-08-28 |
| 4937616 | Light source device for use in a copying machine | Yasutaka Maeda, Taisuke Kamimura, Osamu Fujimoto, Tsuyoshi Miyamoto, Masato Tokishige | 1990-06-26 |
| 4875072 | Automatic document feeder | Yoshiteru Mori, Masakiyo Okuda | 1989-10-17 |
| 4831412 | Copying machine | Masakiyo Okuda, Yoshiteru Mori | 1989-05-16 |
| 4736937 | Automatic document feeder | Masakiyo Okuda | 1988-04-12 |
| 4734747 | Copying machine with a copy paper detection device | Masakiyo Okuda, Shoichiro Yoshiura, Kimihito Yamasaki, Haruyoshi Ikeda | 1988-03-29 |
| 4708461 | Copying machine with a reservation function | Masakiyo Okuda | 1987-11-24 |
| 4655582 | Automatic duplex electrophotographic copying machine | Masakiyo Okuda | 1987-04-07 |
| 4639125 | Automatic duplex copying type copying apparatus | Masakiyo Okuda, Akira Mitsuyama | 1987-01-27 |