Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451778 | Diffuser plate and method for producing diffuser plate | Atsushi Uchida, Masaru Karai | 2019-10-22 |
| 10126549 | Method for designing light diffusion patter, method for manufacturing light diffusion plate, and light diffusion plate | Atsushi Uchida, Masaru Karai | 2018-11-13 |
| 10044339 | Piezoelectric device | Hidenori Takase | 2018-08-07 |
| 9128420 | Belt unit and image forming apparatus | Fumito Mizoguchi, Toshiki Takiguchi | 2015-09-08 |
| 9091967 | Image forming apparatus | Masaki Saka, Toshiki Takiguchi | 2015-07-28 |
| 8881891 | Belt unit and image forming apparatus | Fumito Mizoguchi, Toshiki Takiguchi | 2014-11-11 |
| 8824916 | Belt conveyor member and image forming apparatus | Toshiki Takiguchi | 2014-09-02 |
| 8699902 | Image forming apparatus of intermediate transfer method, including pre-secondary-transfer charging section and concentration detection section | — | 2014-04-15 |
| 8355659 | Fixing device and image forming apparatus having same | Toshiaki Kagawa, Susumu Murakami, Atsushi Ide, Takashi Mukai | 2013-01-15 |
| 8295726 | Fixing device, image forming apparatus, and method for controlling fixing device | Toshiaki Kagawa, Susumu Murakami, Atsushi Ide, Takashi Mukai | 2012-10-23 |
| 7919908 | Piezoelectric resonator device | Tatsuya Murakami, Makoto Miyagawa, Akihiro Kanbara | 2011-04-05 |
| 7917071 | Transfer belt unit and image forming apparatus using the same | Mikio Kakui, Yoshiaki Masuda, Susumu Murakami, Kuniaki Nakano, Kazuaki Ishikawa +1 more | 2011-03-29 |
| 7801464 | Ion generating device with a discharge electrode on a dielectric body coated by a protective layer made of metal | Toshiaki Kagawa, Shogo Yokota, Katsumi Adachi | 2010-09-21 |
| 7725052 | Ion generating device and image forming apparatus including same | Kuniaki Nakano, Kazuaki Ishikawa | 2010-05-25 |
| 7548709 | Transfer unit, transfer method, and image forming apparatus | Kuniaki Nakano, Masanori Yamada, Takahiko Yoshida, Kazuaki Ishikawa, Hiroshi Tachiki +1 more | 2009-06-16 |
| 7257351 | Detaching/attaching mechanism and image forming device | Hiroshi Tachiki, Kohichi Yamauchi, Noritaka Okazaki, Fumio Shimazu | 2007-08-14 |
| 7251445 | Image formation device and image forming method using same | — | 2007-07-31 |
| 7162178 | Transfer device and image forming apparatus | Toshiki Takiguchi, Hiroshi Tachiki, Hirokazu Yamauchi, Hiroyuki Murai, Yoshiaki Masuda +1 more | 2007-01-09 |
| 7162192 | Transfer belt device and image forming apparatus | Masanori Yamada, Hiroshi Tachiki, Takahiko Yoshida | 2007-01-09 |
| 7139498 | Image forming apparatus having transfer bias voltage | Tamaki Mashiba, Shigeru Watase | 2006-11-21 |
| 7085504 | Image forming apparatus | Kazuhiro Matsuyama, Yoshinobu Tateishi, Toshiya Mikita, Toshio Yamanaka, Mitsuyoshi Terada +2 more | 2006-08-01 |
| 6957022 | Image forming apparatus | Kohichi Yamauchi, Fumio Shimazu, Hiroshi Tachiki, Yuji Nakagawa | 2005-10-18 |
| 6889027 | Multicolored image forming apparatus for forming multicolored and monochromatic images | Hiroshi Tachiki, Toshio Yamanaka, Kouichi Yamauchi, Fumio Shimazu | 2005-05-03 |
| 6876820 | Image forming apparatus | Kohichi Yamauchi, Fumio Shimazu, Hiroshi Tachiki, Yuji Nakagawa | 2005-04-05 |
| 6775486 | Image forming apparatus | Kazuhiro Matsuyama, Yoshinobu Tateishi, Toshiya Mikita, Toshio Yamanaka, Mitsuyoshi Terada +2 more | 2004-08-10 |