Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7773241 | Image-forming device | — | 2010-08-10 |
| RE34503 | Imaging device | Kenji Sakakibara, Shigeyuki Hayashi, Jun Sakai | 1994-01-11 |
| 5126784 | Image forming apparatus | Satoru Kuwabara, Naoyuki Hatta | 1992-06-30 |
| 5121156 | Apparatus for detecting the proper functioning of a thermal fixing unit in an image forming apparatus | Kenji Sakakibara, Tokunori Katoh, Hiroshi Morisaki, Takesi Izaki | 1992-06-09 |
| 5111237 | Image forming apparatus | Takemi Yamamoto, Jun Sakai, Hiroshi Kawahara, Shigeyuki Hayashi, Kenji Sakakibara +2 more | 1992-05-05 |
| 5107294 | Image recording apparatus having detection unit for detecting malfunction of take-up roller | — | 1992-04-21 |
| 5097288 | Image forming apparatus with a thermal fixing device | Tokunori Kato | 1992-03-17 |
| 5049926 | Image recording apparatus having a mechanism for varying copying magnification | Katsuyoshi Sonobe, Kazuichi Sakaida, Nobuo Aoki, Satoshi Uchiyama, Hiroshi Igarashi | 1991-09-17 |
| 5047797 | Image recording apparatus capable of adjusting a density of an image reproduced on a recording medium | Kenji Sakakibara, Yukichi Sawaki, Tokunori Katoh | 1991-09-10 |
| 5045763 | Motor-control device for image forming apparatus | Masanari Kobayashi, Kenji Sakakibara, Takesi Izaki, Tokunori Katoh, Hiroshi Morisaki | 1991-09-03 |
| 5041879 | Sheet supplying device having control unit for sheet supplying operation | Kenji Sakakibara, Hideo Yoshihara, Takayuki Hayashi, Takashi Nakata, Hiroaki Kimura | 1991-08-20 |
| 5028953 | Image forming apparatus having sheet feeding condition detecting means | Atsunori Katoh, Kenji Sakakibara, Ken Izaki, Hiroshi Morisaki, Naoyuki Hatta | 1991-07-02 |
| 4994849 | Imaging device | Takeshi Izaki, Yousuke Ito, Kenji Sakakibara, Tokunori Katoh, Hiroshi Morisaki | 1991-02-19 |
| 4984011 | Image recording apparatus | Kenji Sakakibara, Tokunori Katoh, Yukichi Sawaki | 1991-01-08 |
| 4984009 | Imaging device having means to accurately superpose sheets in the developing process | Kazumasa Makino, Hideo Yoshihara, Kenji Sakakibara, Takeshi Izaki, Tokunori Katoh +3 more | 1991-01-08 |
| 4977437 | Method and apparatus for performing pressure developement with a pair of pressurizing rollers | Shin Asai, Tokunori Katoh, Kenji Sakakibara, Takesi Izaki, Hiroshi Morisaki | 1990-12-11 |
| 4945222 | Light irradiation control device for use in image recording apparatus | Toshio Sakai | 1990-07-31 |
| 4939584 | Image recording system | Kenji Sakakibara, Shigeyuki Hayashi, Jun Sakai | 1990-07-03 |
| 4937592 | Image recording--of recording sheets | Kenji Sakakibara, Shigeyuki Hayashi, Jun Sakai | 1990-06-26 |
| 4935749 | Image transfer system with preliminary-exposure device | Kenji Sakakibara, Jun Sakai, Shigeyuki Hayashi | 1990-06-19 |
| 4933685 | Image transfer system with preliminary-exposure device | Yuki Asano, Akira Sago, Masashi Ueda, Osamu Takagi, Yumio Matsumoto +5 more | 1990-06-12 |
| 4933705 | Apparatus and method for loading a photosensitive recording sheet to an image recording apparatus | Takashi Nakata, Takashi Tomizawa | 1990-06-12 |
| 4922288 | Image recording apparatus | Kenji Sakakibara, Tokunori Katoh, Yukichi Sawaki | 1990-05-01 |
| 4920374 | Picture recording apparatus | Kazuo Sangyoji, Takemi Yamamoto, Tsugio Okamoto, Naoyuki Hatta, Yuji Asano +4 more | 1990-04-24 |
| 4920375 | Imaging device | Kenji Sakakibara, Tokunori Katoh, Yukichi Sawaki, Takakuni Sonoda, Makoto Suzuki | 1990-04-24 |