Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760051 | Image forming apparatus with switching elements | Haruo Fujii, Fumihiko Arishima, Hiroki Kisu, Shigeki Kondo, Masaaki Matsushima | 2004-07-06 |
| 5214480 | Image forming apparatus with transfer sheet bearing means | Takao Aoki, Shinkichi Takahashi, Eihiro Sakaki, Fumihiro Ueno, Toshiaki Miyashiro | 1993-05-25 |
| 5077566 | Image forming apparatus | Toshihiko Ochiai, Hakaru Muto, Tetsuya Kobayashi | 1991-12-31 |
| 4989021 | Cleaning device for conductive magnetic toner and image recording apparatus using same | Toshihiko Ochiai | 1991-01-29 |
| 4910538 | Image forming apparatus including a belt-like recording medium having an exposed conductive region | Toshihiko Ochiai | 1990-03-20 |
| 4831394 | Electrode assembly and image recording apparatus using same | Toshihiko Ochiai | 1989-05-16 |
| 4766468 | Developing method and apparatus for a photocopier | Nagao Hosono, Haruo Fujii, Kimio Nakahata | 1988-08-23 |
| 4739348 | Recording head assembly using magnetic toner and image forming apparatus using the same | Haruo Fujii, Takashi Saito | 1988-04-19 |
| 4712878 | Color image forming apparatus comprising ferroelectric smectic liquid crystal having at least two stable states | Osamu Taniguchi, Shinjiro Okada | 1987-12-15 |
| 4692779 | Image forming method and apparatus therefor | Shuzo Kaneko | 1987-09-08 |
| 4691213 | Ion generating device and method of manufacturing same | Yutaka Inaba | 1987-09-01 |
| 4682858 | Liquid crystal device having reduced-pressure region in communication with ferroelectric liquid crystal | Junichiro Kanbe, Shinjiro Okada, Tohru Takahashi | 1987-07-28 |
| 4682880 | Multicolor image recording method and device utilizing a single image transfer to the recording material | Haruo Fujii, Yutaka Inaba | 1987-07-28 |
| 4683482 | Ion generating device and method of manufacturing same | Yutaka Inaba | 1987-07-28 |
| 4675261 | Electrophotographic process with a photoconductive screen | Katsunobu Ohara, Keiji Tanaka, Inao Moriyama | 1987-06-23 |
| 4658275 | Image forming apparatus | Haruo Fujii | 1987-04-14 |
| 4502061 | Image forming apparatus | Haruo Fujii | 1985-02-26 |
| 4491855 | Image recording method and apparatus | Haruo Fujii | 1985-01-01 |
| 4478510 | Cleaning device for modulation control means | Haruo Fujii | 1984-10-23 |
| 4386837 | Corona discharging device | — | 1983-06-07 |
| 4358681 | Corona discharger | — | 1982-11-09 |
| 4340296 | Electrophotographic apparatus | Katsunobu Ohara, Keiji Tanaka, Inao Moriyama | 1982-07-20 |
| 4336317 | Method for forming images using a photosensitive screen | — | 1982-06-22 |
| 4332876 | Electrophotographic screen | Katsunobu Ohara, Keiji Tanaka, Inao Moriyama | 1982-06-01 |
| 4306801 | Charging process for image forming apparatus | Hidetoshi Tanaka | 1981-12-22 |