Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155135 | Image forming apparatus with mode having prolonged rotation time of image bearing member at non-image forming time | Bunro Noguchi, Jun Suzuki | 2006-12-26 |
| 7068956 | Image forming apparatus and control method for the image forming apparatus | Katsuhiro Sakaizawa, Masahiro Shibata | 2006-06-27 |
| 7020419 | Image formation apparatus, and control method for image formation apparatus | Satoshi Tsuruya, Katsuhiro Sakaizawa, Takehiko Suzuki, Seiichi Shinohara, Masahiro Shibata | 2006-03-28 |
| 6954595 | Image forming apparatus featuring a developer carrying member with a controlled operation time and related control method | Katsuhiro Sakaizawa, Masahiro Shibata | 2005-10-11 |
| 6915094 | Composition for accessing a memory in image formation apparatus and method for accessing a memory in image formation apparatus | Satoshi Tsuruya, Katsuhiro Sakaizawa, Takehiko Suzuki, Seiichi Shinohara, Masahiro Shibata | 2005-07-05 |
| 6600886 | Image forming apparatus comprising member to be charged and a charge member | Gaku Konishi, Nobuo Komiya | 2003-07-29 |
| 6559875 | Image forming apparatus with pixel density based light beam control | Keiji Okano, Akira Domon | 2003-05-06 |
| 6393250 | Cleaning apparatus and image forming apparatus | Jun Suzuki, Yoichiro Maebashi, Kimitaka Ichinose | 2002-05-21 |
| 6330407 | Image forming apparatus with control of voltage application to intermediate transfer member | Toshiaki Miyashiro, Kimitaka Ichinose | 2001-12-11 |
| 6125247 | Image forming apparatus | Toshiaki Miyashiro, Kimitaka Ichinose | 2000-09-26 |
| 6070047 | Image forming apparatus with an image bearing member and intermediate transfer member contact-separation mechanism | Kimitaka Ichinose | 2000-05-30 |
| 5999784 | Image forming apparatus with first and second charging members | Kimitaka Ichinose | 1999-12-07 |
| 5809373 | Image forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drum | Yasuo Yoda, Katsuhiko Nishimura, Koichi Hiroshima, Toru Kosaka | 1998-09-15 |
| 5732314 | Image forming apparatus comprising image bearing member, intermediate image transfer member and secondary image transfer member for facilitating transfer of developed image from intermediate image transfer member to transfer material | Koichi Tanigawa, Masahiro Goto, Toshio Miyamoto, Yuko Ohkama, Satoru Izawa +1 more | 1998-03-24 |
| 5732310 | Image forming apparatus having cleaning device for cleaning intermediate transfer member | Koichi Hiroshima, Katsuhiko Nishimura, Toru Kosaka, Yasuo Yoda | 1998-03-24 |
| 5694158 | Image forming apparatus with image carrier and sheet feed drive control | Junichi Kato, Masaki Ojima, Takahiro Inoue, Masahiro Goto, Koichi Hiroshima +10 more | 1997-12-02 |
| 5572306 | Image forming apparatus capable of setting fixing temperature corresponding to temperature rising state of heating member | Masahiro Goto, Takahiro Inoue, Koichi Hiroshima, Koichi Suwa, Manabu Takano | 1996-11-05 |
| 5512929 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1996-04-30 |
| 5463450 | Charging device for applying an oscillating voltage to a member to be charged | Takahiro Inoue, Masahiro Goto, Hiroshi Sasame, Manabu Takano | 1995-10-31 |
| 5455603 | Image forming apparatus with feeder control based on pixel conversion status | Kenjiro Hori, Satoshi Akiyama, Takashi Nakahara, Toshio Yoshimoto, Yoshimi Kuramochi +10 more | 1995-10-03 |
| 5450181 | Fixing device | Koichi Tanigawa, Masahiro Goto, Hiromichi Tsujii, Satoru Izawa | 1995-09-12 |
| 5430526 | Image forming apparatus having weighting material in image bearing member and process cartridge usable with same | Masaharu Ohkubo, Hiroki Kisu, Kazushige Sakurai | 1995-07-04 |
| 5412480 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1995-05-02 |
| 5274402 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1993-12-28 |
| 5272506 | Contactable charging device for applying an oscillating voltage, process cartridge and image forming apparatus using the same | Masahiro Goto, Takahiro Inoue, Hiroshi Sasame, Manabu Takano | 1993-12-21 |