Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7058335 | Process cartridge and image forming apparatus with toner fed cleaning mode | Kenji Sugiura, Nekka Matsuura, Yasushi Nakazato, Takahiko Tokumasu, Kazuhito Watanabe | 2006-06-06 |
| 6505014 | Image forming apparatus and an image forming process unit | Katsuhiro Aoki, Hisashi Shoji, Tsukuru Kai, Hajime Oyama, Takashi Hodoshima +1 more | 2003-01-07 |
| 5629123 | Toners for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1997-05-13 |
| 5629118 | Toner for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1997-05-13 |
| 5517228 | Apparatus for displaying a recording medium sheet and printing an image thereon | Makoto Obu, Masaru Shimada, Itsuo Ikeda, Hiroshi Goto | 1996-05-14 |
| 5300952 | Thermal image forming equipment forms image directly on image carrier or paper sheet | Takeo Wada, Makoto Obu, Toshiyuki Kawanishi, Masato Igarashi, Takashi Mori +2 more | 1994-04-05 |
| 5023158 | Toner for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1991-06-11 |
| 5004666 | Toner for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1991-04-02 |
| 4997739 | Toner for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1991-03-05 |
| 4988598 | Toner for use in developing electrostatic images | Makoto Tomono, Masayuki Sato | 1991-01-29 |
| 4930438 | Developing device using a single component developer | Hiromi Demizu, Makoto Obu, Hidetoshi Yano, Ryubun Seimiya | 1990-06-05 |
| 4921771 | Toner for use in developing electrostatic images containing polypropylene | Makoto Tomono, Masayuki Sato | 1990-05-01 |
| 4917982 | Toner for use in developing electrostatic images containing polypropylene | Makoto Tomono, Masayuki Sato | 1990-04-17 |
| 4827868 | Toner carrier for developing device for electrostatic printing apparatus | Kazuhiro Nishido | 1989-05-09 |
| 4760422 | Developing device using single component toner | Ryubun Seimiya, Hiromi Demizu, Makoto Obu, Hidetoshi Yano | 1988-07-26 |
| 4755849 | Fixing device for an image reproducing apparatus | Kiyoshi Kimura, Kouichi Gunzi | 1988-07-05 |
| 4696255 | Developing apparatus | Hidetoshi Yano, Ryubun Seimiya, Hiromi Demizu, Makoto Obu | 1987-09-29 |
| 4645327 | Recording apparatus having water vapor removing or preventing means | Kiyoshi Kimura, Yukio Okamoto, Tadashi Miwa, Masakazu Fukuchi, Kunio Ito | 1987-02-24 |
| 4588279 | Cleaning roller intermediate transfer member | Masakazu Fukuchi, Kiyoshi Kimura, Tadashi Miwa, Yukio Okamoto, Kunio Ito | 1986-05-13 |
| 4585326 | Developing electrophotographic image using magnets and magnetic material | Yukio Okamoto, Kiyoshi Kimura, Tadashi Miwa, Masakazu Fukuchi, Kunio Ito +1 more | 1986-04-29 |
| 4585319 | Recording apparatus for electrostatic images | Yukio Okamoto, Kiyoshi Kimura, Tadashi Miwa, Masakazu Fukuchi, Kunio Ito | 1986-04-29 |
| 4571068 | Toner supply controlling device | Masakazu Fukuchi, Kunio Ito | 1986-02-18 |
| 4562447 | Ion modulating electrode | Haruo Iwahashi, Masahiko Matsunawa, Hiroshi Tokunaga | 1985-12-31 |
| 4542978 | Image reproducing apparatus with high-speed transfer mechanism | Kiyoshi Kimura, Kouichi Gunji | 1985-09-24 |
| 4531825 | Electrostatic reproducing apparatus having an intermediate toner image transfer member | Tadashi Miwa, Kiyoshi Kimura, Yukio Okamoto | 1985-07-30 |