Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384507 | Turn-driving apparatus for work machine | Natsuki Yumoto, Koji Ueda | 2022-07-12 |
| 7599641 | Exhaust system of image forming device | Masamitsu Ukai, Yoshiteru Hattori | 2009-10-06 |
| 7419319 | Image forming apparatus | — | 2008-09-02 |
| 7403741 | Exhaust system of image forming device | Masamitsu Ukai, Yoshiteru Hattori | 2008-07-22 |
| 7216864 | Paper supply cassette for an image forming device | — | 2007-05-15 |
| 7189019 | Image forming apparatus | — | 2007-03-13 |
| 6928251 | Image forming device including frames formed of resin containing no glass fibers | Shusaku Tsusaka, Yoshiteru Hattori | 2005-08-09 |
| 6923586 | Image forming apparatus | — | 2005-08-02 |
| 6907206 | Assembly structure for image forming apparatus | Yoshiteru Hattori, Shusaku Tsusaka | 2005-06-14 |
| 6767149 | Image forming apparatus | — | 2004-07-27 |
| 6612763 | Image forming apparatus | — | 2003-09-02 |
| 5933688 | Image forming apparatus including switching structure for separating a photosensitive drum and a developing roller after completion of printing | Tsutomu Suzuki | 1999-08-03 |
| 5592268 | Mechanism to prevent toner leakage from an image forming unit | Mitsuyoshi Uehara, Tsutomu Suzuki, Fumio Morita, Hiroshi Igarashi | 1997-01-07 |
| 5065180 | Image recording apparatus having means for preventing sheet cartridge from its free disassembly | Tatsuya Shindo | 1991-11-12 |
| 5041879 | Sheet supplying device having control unit for sheet supplying operation | Michitoshi Akao, Kenji Sakakibara, Takayuki Hayashi, Takashi Nakata, Hiroaki Kimura | 1991-08-20 |
| 5023653 | Image recording apparatus having sheet slack absorbing means | — | 1991-06-11 |
| 5005818 | Sheet feed device having a sheet cassette locking mechanism | Takayuki Hayashi | 1991-04-09 |
| 4984012 | Color image copying apparatus | Akihiro Sawada | 1991-01-08 |
| 4984009 | Imaging device having means to accurately superpose sheets in the developing process | Kazumasa Makino, Michitoshi Akao, Kenji Sakakibara, Takeshi Izaki, Tokunori Katoh +3 more | 1991-01-08 |
| 4968019 | Sheet feed mechanism and method of feeding sheet | Kazunori Tanabe, Takashi Nakata, Susumu Kuzuya, Hiroaki Kimura, Toshiaki Sugiura +2 more | 1990-11-06 |
| 4963918 | Image forming apparatus for reproducing images on photosensitive medium by exposing the medium to radiation through image-bearing original | — | 1990-10-16 |
| 4797107 | Copyable blackboard | Naoyuki Hatta, Takeshi Izaki, Akihiro Sawada, Takemi Yamamoto, Kazuo Sangyoji | 1989-01-10 |
| 4782003 | Photo- and pressure-sensitive recording paper comprising two types of microcapsules | — | 1988-11-01 |
| 4771447 | X-ray source | Yasunao Saitoh, Ikuo Okada | 1988-09-13 |
| 4635282 | X-ray source and X-ray lithography method | Ikuo Okada, Yasunao Saitoh, Satoshi Nakayama | 1987-01-06 |