Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11932509 | Conveyer and image recording apparatus | Teruhito Hasegawa, Yuri Morishita | 2024-03-19 |
| 11801696 | Sheet conveyor and image forming system | Shintaro Izoe, Teruhito Hasegawa, Yuri Morishita | 2023-10-31 |
| 9488940 | Fixing device with temperature sensor fitted in a recess of a nip plate | Yasuhiro Maruyama, Yusuke Murodate | 2016-11-08 |
| 9195189 | Fixing device | Tomoaki Hazeyama, Yasuhiro Maruyama | 2015-11-24 |
| 9188919 | Fixing device provided with rotating member having concave shape | Naoyuki Iwata, Yusuke Murodate, Akihiro Kobayashi, Tomoaki Hazeyama, Yasuhiro Maruyama | 2015-11-17 |
| 9116475 | Fixing device fixing transferred developing agent image to sheet | Tomoaki Hazeyama, Naoyuki Iwata, Yasuhiro Maruyama, Yusuke Murodate, Akihiro Kobayashi | 2015-08-25 |
| 9091978 | Fixing device provided with stay having rigidity distribution | Yasuhiro Maruyama, Tomoaki Hazeyama, Naoyuki Iwata, Yusuke Murodate, Akihiro Kobayashi | 2015-07-28 |
| 9063485 | Fixing device | Tomoaki Hazeyama, Yasuhiro Maruyama | 2015-06-23 |
| 9008548 | Fixing device provided with reinforced nip member | Yusuke Murodate, Akihiro Kobayashi, Tomoaki Hazeyama, Naoyuki Iwata, Yasuhiro Maruyama | 2015-04-14 |
| 8532546 | Developer supply device and image forming apparatus having the same | Masataka Maeda, Tomoaki Hazeyama, Yasuhiro Maruyama | 2013-09-10 |
| 5447117 | Crystal article, method for producing the same and semiconductor device utilizing the same | Takao Yonehara, Kenji Yamagata | 1995-09-05 |
| 5363799 | Method for growth of crystal | Takao Yonehara, Kenji Yamagata | 1994-11-15 |
| 5231677 | Image processing method and apparatus | Yoshinobu Mita, Naoto Kawamura, Katsuhito Dei | 1993-07-27 |
| 4980757 | Image processing apparatus for gradation processing of an image signal to output a pulse width modulated signal | — | 1990-12-25 |
| 4926268 | Image processing apparatus which converts m-bit image data to n-bit (n>m) image data | Naoto Kawamura, Hidefumi Ohsawa | 1990-05-15 |
| 4918541 | Image processing method and apparatus | Yoshihiro Ishida, Naoto Kawamura | 1990-04-17 |
| 4870483 | Color image sensor including a plurality of photocells and a plurality of colored filters provided on the plurality of photocells | Naoto Kawamura | 1989-09-26 |
| 4864326 | Dual beam recorder | Naoto Kawamura, Takashi Kitamura, Shinichi Ohta | 1989-09-05 |
| 4592984 | Multilayer electrophotographic photosensitive member | — | 1986-06-03 |
| 4448801 | Process for forming deposition film | Tadaji Fukuda | 1984-05-15 |
| 4439504 | Electrophotographic photosensitive member and color electrophotographic process | Shunichi Ishihara, Nobuo Kitajima, Nobuko Kitahara | 1984-03-27 |
| 4409310 | Surface doped inorganic electrophotographic photosensitive particles in binder | Kazumi Okano, Masanao Kasai | 1983-10-11 |
| 4365015 | Photosensitive member for electrophotography composed of a photoconductive amorphous silicon | Nobuo Kitajima, Shunichi Ishihara, Nobuko Kitahara | 1982-12-21 |
| 4352875 | Voltage distribution difference electrophotographic process | Shunichi Ishihara, Nobuo Kitajima, Nobuko Kitahara | 1982-10-05 |
| 4347296 | Electrophotographic photosensitive member and electrophotographic process | Shunichi Ishihara, Nobuo Kitajima, Nobuko Kitahara | 1982-08-31 |