Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7659996 | Relative position detection device and detector for rotary body and image forming apparatus including the relative position detection device | Hideyuki Takayama | 2010-02-09 |
| 7532370 | Optical encoder, motor driver and image forming apparatus | Takuroh Kamiya, Katsuya Kawagoe, Ryuuichi Mimbu, Junya Takigawa, Toshiyuki Andoh +1 more | 2009-05-12 |
| 7526230 | Mark sensing device, turnable body driving device and image forming apparatus | Hideyuki Takayama | 2009-04-28 |
| 7435946 | Mark detector using multiple light beams for use in a displacement detector and an image forming apparatus | Hideyuki Takayama | 2008-10-14 |
| 7379683 | Mark detector, drive controller, belt drive unit, and image forming apparatus | Takuro Kamiya, Katsuya Kawagoe | 2008-05-27 |
| 7343127 | Mark forming method for moving body and moving body having mark | Yasufumi Yamada | 2008-03-11 |
| 7174237 | Endless-moving-member driving unit, image forming apparatus, photosensitive-element driving unit, and method of degradation process for endless moving-member | Hideyuki Takayama | 2007-02-06 |
| 6947693 | Image forming apparatus including rotary member speed detection mechanism | Takuroh Kamiya, Junya Takigawa, Yoshihiro Sakai, Katsuya Kawagoe, Ryuuichi Mimbu +1 more | 2005-09-20 |
| 6925279 | Belt moving device and image forming apparatus including the same | Mikio Kamoshita | 2005-08-02 |
| 6842602 | Drive control device and image forming apparatus including the same | — | 2005-01-11 |
| 6816178 | Method and apparatus for color image forming capable of performing a precise synchronization between toner image forming per color and its overlaying | Yasufumi Yamada, Mitsuru Takahashi, Takuroh Kamiya, Mikio Kamoshita | 2004-11-09 |
| 6774355 | Optical encoder | — | 2004-08-10 |
| 6344947 | Head cleaner | — | 2002-02-05 |
| 6252682 | Document sensing device for an image forming apparatus | Nobuyuki Baba, Sumiaki Aoki | 2001-06-26 |
| 5929436 | Optical sensor including a first and second converging optical system for edge detection | Nobuyuki Baba, Toshiharu Murai, Sumiaki Aoki | 1999-07-27 |
| 5818062 | Original edge detecting system and optical sensor using distance detecting light-receiving means | Nobuyuki Baba, Toshiharu Murai, Sumiaki Aoki | 1998-10-06 |
| 5729024 | Original edge detecting system and optical sensor | Nobuyuki Baba, Toshiharu Murai, Sumiaki Aoki | 1998-03-17 |
| 5633526 | Photodiode array and method for manufacturing the same | Yasuo Aki | 1997-05-27 |
| 5523610 | Photodiode array and method for manufacturing the same | Yasuo Aki | 1996-06-04 |
| 5511421 | Acceleration sensor | — | 1996-04-30 |
| 5475245 | Field-effect voltage regulator diode | Hiroshi Kadonishi | 1995-12-12 |
| 5436171 | Photodiode array device and method for producing same | — | 1995-07-25 |
| 5367188 | Photodiode array device and method for producing same | — | 1994-11-22 |
| 5300453 | Method for producing semiconductor device | Yuji Okamura, Yasuo Aki | 1994-04-05 |
| 4591542 | Light-sensitive member and preparation thereof for use in electrophotography | Yoshihide Fujimaki, Yoshiaki Takei, Hiroyuki Nomori | 1986-05-27 |