Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8259145 | Image forming apparatus with scanning position corrected by non-imaging laser beam | Noriyuki Chino, Yuji Uramoto, Shoji Kanemura, Kota Kiyama, Junji Yasuda +2 more | 2012-09-04 |
| 7178748 | Method of recycling plastic material of process cartridge | Nagatoshi Konno, Seiichi Kato | 2007-02-20 |
| 7162785 | Method of recycling a process cartridge | Toshio Kayahashi | 2007-01-16 |
| 6714751 | Connecting pin for process cartridge, and process cartridge | Akira Higeta, Ryozo Yanagisawa | 2004-03-30 |
| 6661445 | Exposure apparatus with an array of light emitting devices | Seiji Mashimo, Yukio Nagase, Yuichi Hashimoto, Akihiro Senoo, Kazunori Ueno | 2003-12-09 |
| 6583805 | Exposure unit for image forming apparatus using electrophotographic system, and electrophotographic image forming apparatus | Seiji Mashimo, Yukio Nagase, Akihiro Senoo, Kazunori Ueno | 2003-06-24 |
| 6504565 | Light-emitting device, exposure device, and image forming apparatus | Izumi Narita, Yukio Nagase, Seiji Mashimo | 2003-01-07 |
| 6344661 | Light emitting element array, exposure device and image forming apparatus | Yukio Nagase, Izumi Narita, Seiji Mashimo | 2002-02-05 |
| 6266074 | Light emitting apparatus with temperature control, exposure apparatus, and image forming apparatus | Yukio Nagase, Izumi Narita, Seiji Mashimo | 2001-07-24 |
| 6188420 | Image forming apparatus | Masaki Kuribayashi, Yukio Nagase, Izumi Narita, Seiji Mashimo | 2001-02-13 |
| 6121994 | Image forming apparatus and light emitting apparatus | Masaki Kuribayashi, Yukio Nagase, Izumi Narita, Seiji Mashimo | 2000-09-19 |
| 5896143 | Ink jet recording apparatus | Shinya Matsui, Shigeru Yoshimura, Shinji Kanemitsu, Hiroshi Fukui, Hiromitsu Hirabayashi +14 more | 1999-04-20 |
| 5734390 | Image forming apparatus | Katsuhiro Sakaizawa, Yasushi Sato, Yukihide Ushio, Izumi Narita, Yukihiro Ohzeki +5 more | 1998-03-31 |
| 5650820 | Hand recording apparatus and movement guide therefor | Kazumi Sekine, Toshiaki Harada, Ryozo Yanagisawa | 1997-07-22 |
| 5247755 | Automatic page turning-over apparatus | Tadashi Sato | 1993-09-28 |
| 5093675 | Hand-held recording apparatus | Toshiaki Harada, Ryozo Yanagisawa, Hiroshi Tanioka | 1992-03-03 |
| 5084716 | Image forming apparatus using electric current to transfer ink to a master and remove excess ink from the master before transferring the remaining ink to recording medium | Shoji Kikuchi, Noboru Tohyama | 1992-01-28 |
| 5073791 | Image forming device | Akihiro Mouri, Masato Katayama, Tetsuro Fukui, Kazuo Isaka, Shoji Kikuchi | 1991-12-17 |
| 5065434 | Image information processing apparatus having a multi-function switch | Mikiharu Matsuoka, Yasuko Miyazaki | 1991-11-12 |
| 5063451 | Hand held recording apparatus with window on lower body portion for viewing recording position | Ryozo Yanagisawa, Hiroshi Tanioka, Kiyoshi Kaneko, Toshiaki Harada, Kikuo Yoshikawa +1 more | 1991-11-05 |
| 4985778 | Copying apparatus capable of designating image areas | Naoki Ayata, Yasushi Sato, Seiji Saito, Motoharu Fujii | 1991-01-15 |
| 4972271 | Image recording apparatus | — | 1990-11-20 |
| 4938586 | Information projecting apparatus | Yoshiko Hirose, Tadashi Sato, Shigeru Sugita, Yasutoshi Sugita | 1990-07-03 |
| 4936677 | Projection apparatus | Yoshihiko Hirose, Shigeru Sugita | 1990-06-26 |
| 4924319 | Board-writing apparatus | Yoshitaka Ogino, Ryozo Yanagisawa, Masanori Nanamura | 1990-05-08 |