Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8639131 | Belt drive apparatus and image forming apparatus | Youbao Peng, Satoshi Ogata, Tadashi Matsudaira, Akihiro Hayashi, Eiji Nishikawa | 2014-01-28 |
| 8412086 | Image forming apparatus, clear layer forming apparatus, and image forming system | Tadashi Matsudaira, Akihiro Hayashi, Youbao Peng, Satoshi Ogata, Toshiaki Tanaka | 2013-04-02 |
| 8285159 | Color image forming apparatus with exposure timing control based on printing ratio | Tadayuki Ueda, Akifumi Isobe, Yoshihito Sasamoto | 2012-10-09 |
| 8103193 | Image forming apparatus | Akifumi Isobe, Ryuji Okutomi, Hiroyuki Watanabe, Tadayuki Ueda, Yoshihito Sasamoto | 2012-01-24 |
| 8059145 | Color image forming apparatus and image forming method | Tadayuki Ueda, Ryuji Okutomi, Hiroyuki Watanabe, Akifumi Isobe, Yoshihito Sasamoto | 2011-11-15 |
| 7978995 | Image forming apparatus for image density adjustment | Akifumi Isobe, Shigeo Ogino, Hiroyuki Watanabe, Tadayuki Ueda, Yoshihito Sasamoto | 2011-07-12 |
| 7880756 | Image forming apparatus | Norio Joichi, Atsushi Takahashi, Youbao Peng, Yoshihito Sasamoto, Yoshiki Katayama | 2011-02-01 |
| 7778579 | Color image forming apparatus which executes color misregistration correction processing | Tadayuki Ueda, Shigeo Ogino, Masaaki Goto, Hiroyuki Watanabe, Akifumi Isobe +1 more | 2010-08-17 |
| 7777896 | Signal processing apparatus and image forming apparatus | Tadayuki Ueda, Hiroyuki Watanabe, Akifumi Isobe, Yoshihito Sasamoto | 2010-08-17 |
| 7646516 | Image forming apparatus and reading method of two-sided document | Yoshiki Katayama, Atsushi Takahashi, Norio Joichi, Youbao Peng, Yoshihito Sasamoto | 2010-01-12 |
| 7502045 | Image forming apparatus with LED head | Norio Joichi, Atsushi Takahashi, Youbao Peng, Yoshihito Sasamoto, Yoshiki Katayama | 2009-03-10 |
| 7430085 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Hitoshi Ogawa, Ryutaro Horita, Masatoshi Nishina, Katsumi Yamamoto +1 more | 2008-09-30 |
| 7310485 | Temperature control of a fixing roller in an image forming apparatus | Youbao Peng, Norio Joichi, Yoshiki Katayama | 2007-12-18 |
| 7289745 | Image forming apparatus with power supply system | Norio Joichi, Youbao Peng, Yoshiki Katayama, Atsushi Takahashi, Yoshihito Sasamoto | 2007-10-30 |
| 7193170 | Push button | Yoshihiki Katayama, Hiroomi Miyaki, Norio Joichi, Youbao Peng, Yoshihito Sasamoto | 2007-03-20 |
| 7181149 | Image forming apparatus | Norio Joichi, Tadashi Matsudaira, Youbao Peng, Hiroshi Oyama, Katsunori Takahashi +3 more | 2007-02-20 |
| 7139143 | Disk device and method of generating signal representing head | Shoichi Miyazawa, Hitoshi Ogawa, Ryutaro Horita, Masatoshi Nishina, Katsumi Yamamoto +1 more | 2006-11-21 |
| 6980385 | Apparatus for information recording and reproducing | Takatoshi Kato, Takushi Nishiya, Hideyuki Yamakawa, Nobuaki Nakai, Hiroshi Ide +2 more | 2005-12-27 |
| 6791776 | Apparatus for information recording and reproducing | Takatoshi Kato, Takushi Nishiya, Hideyuki Yamakawa, Nobuaki Nakai, Hiroshi Ide +2 more | 2004-09-14 |
| 6611409 | Line module protection method and device utilizing said method | Kazuhito Yasue, Mikio Nakayama | 2003-08-26 |
| 6563656 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Ryutaro Horita, Masatoshi Nishina +1 more | 2003-05-13 |
| 6445522 | Disk device and method of generating signal representing head | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Ryutaro Horita, Masatoshi Nishina +1 more | 2002-09-03 |
| 6373407 | Data encoding method for digital data recording and data recording system using the same | Takushi Nishiya, Tatsuya Hirai, Seiichi Mita, Yoichi Uehara, Hiroshi Ide +2 more | 2002-04-16 |
| 6326838 | Time sharing analog filters control method and magnetic disk system | Hiroshi Kimura, Takushi Nishiya, Takatoshi Kato, Seiichi Mita | 2001-12-04 |
| 6172828 | Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data | Motoyasu Tsunoda, Shoichi Miyazawa, Hitoshi Ogawa, Ryutaro Horita, Masatoshi Nishina +1 more | 2001-01-09 |