Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9592688 | Display device and image forming apparatus | Akehiro Ono, Xingjing Chen | 2017-03-14 |
| 7482049 | Optical disc | Akira Nishizawa, Tetsuya Kondo | 2009-01-27 |
| 7011878 | Optical disc | Akira Nishizawa, Tetsuya Kondo | 2006-03-14 |
| 6975414 | Electrophotographic recording device | Tsutomu Nagatomi | 2005-12-13 |
| 6957444 | Optical disk and method of producing the same | Toyohito Asanuma | 2005-10-18 |
| 6914696 | Image forming apparatus | Yoshihiro Watanabe, Fumihiro Itoh | 2005-07-05 |
| 6815032 | Optical disc | Akira Nishizawa, Tetsuya Kondo | 2004-11-09 |
| 6324361 | Cooling unit and method of cooling an electrophotographic apparatus | Fumihiro Itoh, Yoshihiro Watanabe | 2001-11-27 |
| 6301450 | Electrophotography apparatus | Yoshihiro Watanabe, Fumihiro Itoh, Masahiro Wanou, Yoshio Yamaguchi | 2001-10-09 |
| 6219496 | Image forming apparatus | Susumu Imado, Ryouhei Iwasaki, Hirofumi Nakayasu | 2001-04-17 |
| 6142016 | Apparatus for detecting residual quantity of toners | Kouji Kobayashi, Shinji Sato, Nobuyuki Tanaka, Michio Shimura | 2000-11-07 |
| 6118463 | Positional error correction for color image forming apparatus | Youji Houki, Kouichi Kobayashi, Hiroji Uchimura, Morihisa Kawahara, Tsutomu Nagatomi +7 more | 2000-09-12 |
| 6070041 | Printing apparatus | Hirofumi Nakayasu, Hiroji Uchimura, Morihisa Kawahara, Tsutomu Nagatomi, Kouichi Kobayashi +1 more | 2000-05-30 |
| 6049690 | Printing apparatus | Hirofumi Nakayasu, Hiroji Uchimura, Morihisa Kawahara, Tsutomu Nagatomi, Kouichi Kobayashi +1 more | 2000-04-11 |
| 5946523 | Printing apparatus | Hidenori Fujioka, Kazuhiko Hamazoe, Masakazu Kinoshita, Tsutomu Kawai, Masahiro Wanou +8 more | 1999-08-31 |
| 5530528 | Image forming apparatus having contact type, one-component developing unit | Yoji Houki, Makoto Matsuoka, Akira Takahashi, Mitsuhito Furukawa, Hiroshi Kera | 1996-06-25 |