Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092986 | Image forming apparatus | Yoshiteru Kaida | 2024-09-17 |
| 11726427 | Image forming apparatus with control of replacement of process cartridge | Yoshiteru Kaida | 2023-08-15 |
| 11592772 | Density acquisition assistance technique for image forming apparatus | — | 2023-02-28 |
| 11194283 | Image forming apparatus selectively restricting removal of cartridge | Yoshiteru Kaida | 2021-12-07 |
| 8973919 | Double-feed detection apparatus and image forming apparatus | Seiji Yokoyama | 2015-03-10 |
| 8571451 | Image forming apparatus calculating an amount of deviation of an image forming position from a reference | Seiji Yokoyama | 2013-10-29 |
| 8282095 | Double-feed detection apparatus and image forming apparatus | Seiji Yokoyama | 2012-10-09 |
| 8000616 | Image forming apparatus | Tatsuto Tachibana, Ryuichi Yoshizawa, Kazuhisa Maruyama, Atsuya Takahashi, Akihiro Nakamura +1 more | 2011-08-16 |
| 7349658 | Image forming apparatus that has a full-color mode and a monocolor mode, and image forming apparatus that can adjust the length of a non-image forming region during mode switching state | Hiroaki Ogata, Yuki Nishizawa | 2008-03-25 |
| 6873820 | Image forming apparatus | Mitsugu Tanaka, Takuya Mukaibara, Tadashi Okanishi | 2005-03-29 |
| 6253035 | Image forming apparatus having means for detecting amount of developer used and means for detecting failure of used developer amount detecting means | Takashi Kawana, Hiroshi Sasame, Yoshimi Ogasawara, Fumihiro Ueno, Tomoyuki Okada | 2001-06-26 |
| 5835818 | Service life informing device for charged member, informing method thereof, process cartridge and image forming apparatus | Norihisa Hoshika, Takashi Hibi, Takeo Shoji, Yasuyuki Ishii, Hiroaki Ogata | 1998-11-10 |
| 5500834 | Device for measuring time lapse after turn off of power source and method thereof | Eihiro Sakaki, Yoshimi Ogasawara | 1996-03-19 |
| 5457487 | Color image forming apparatus which times release of each of plural color image signals | Eihiro Sakaki, Hidekazu Tominaga, Yasuo Ito, Akira Torisawa, Masaki Ohtake +3 more | 1995-10-10 |