Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8750732 | Moisture sensor, moisture detector, and image forming apparatus | Yoshihiro Oba, Fumikazu Hoshi, Satoru Sugawara | 2014-06-10 |
| 8630325 | Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatus | Hiroyoshi Shouji, Shunichi Sato, Kengo Makita, Masahiro Hayashi, Toshihide Sasaki +1 more | 2014-01-14 |
| 8446446 | Optical device, optical scanning apparatus and image forming apparatus | Fumikazu Hoshi | 2013-05-21 |
| 8416822 | Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatus | Hiroyoshi Shouji, Shunichi Sato, Kengo Makita, Masahiro Hayashi, Toshihide Sasaki +1 more | 2013-04-09 |
| 8111725 | Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatus | Kengo Makita, Naoto Jikutani, Kazuhiro Harasaka, Shunichi Sato, Satoru Sugawara | 2012-02-07 |
| 8086141 | Electric charging apparatus and image forming apparatus using the same | Yukimichi Someya, Eiichi Ohta, Naomi Sugimoto, Takuro Sekiya, Yasuo Katano +2 more | 2011-12-27 |
| 8035676 | Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatus | Kazuhiro Harasaka, Shunichi Sato, Naoto Jikutani | 2011-10-11 |
| 7978739 | Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatus | Satoru Sugawara, Kazuhiro Harasaka, Shunichi Sato | 2011-07-12 |
| 7728503 | Electron emission element, charging device, process cartridge, and image forming apparatus | Eiichi Ohta, Takuro Sekiya, Naomi Sugimoto, Yukimichi Someya, Shohji Tanaka +2 more | 2010-06-01 |
| 7374116 | Circulation type media agitator mill | Tsuyoshi Ishikawa, Masakatsu Iioka, Kaori Harigai | 2008-05-20 |
| 4937932 | Membrane panel switch | — | 1990-07-03 |
| 4892988 | Membrane panel switch | — | 1990-01-09 |