Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8632155 | Image forming apparatus | — | 2014-01-21 |
| 7415287 | Image apparatus | — | 2008-08-19 |
| 6817696 | Ink jet printer | Motoharu Miki | 2004-11-16 |
| D485859 | Cap for an ink bottle | Noriko Yokoyama | 2004-01-27 |
| D485858 | Ink bottle | Katsumi Sugata, Akira Yamamoto, Noriko Yokoyama, Kyoichi Inoue | 2004-01-27 |
| D485572 | Ink bottle | — | 2004-01-20 |
| D484530 | Ink bottle | Katsumi Sugata, Akira Yamamoto, Noriko Yokoyama, Kyoichi Inoue | 2003-12-30 |
| D482390 | Cap for ink bottle | Noriko Yokoyama | 2003-11-18 |
| 6550894 | Ink bottle | Masao Shionoya, Nobuyuki Koyama | 2003-04-22 |
| D472918 | Ink bottle with a cap | Noriko Yokoyama | 2003-04-08 |
| D472920 | Ink bottle | — | 2003-04-08 |
| D471584 | Ink bottle | Katsumi Sugata, Akira Yamamoto, Noriko Yokoyama, Kyoichi Inoue | 2003-03-11 |
| 6304334 | System for performing initialization sequences depending on status of image forming apparatus | — | 2001-10-16 |
| 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, Eiichiro Teshima, Tomoyuki Okada | 2001-06-26 |
| 6144812 | Image formation system having a memory device located in an electrophotographic process cartridge for storing data relating to image formation | — | 2000-11-07 |
| 6122068 | Image forming apparatus | Akira Torisawa, Eihiro Sakaki | 2000-09-19 |
| 6072965 | Image forming apparatus and method utilizing an attachment situation of a printer controller | — | 2000-06-06 |
| 5809370 | Image forming apparatus capable of loading cartridge | — | 1998-09-15 |
| 5754303 | Image forming apparatus with a digital modulator | Yasuo Ito, Akira Torisawa, Eihiro Sakaki, Masaki Ohtake | 1998-05-19 |
| 5678132 | Image density detection adjustment device | Hiroshi Shiba, Hiroshi Mano | 1997-10-14 |
| 5638191 | Image forming apparatus | Akira Torisawa, Eihiro Sakaki | 1997-06-10 |
| 5629781 | High-speed image processing using parallel storage | Akira Torisawa, Yasuo Ito, Eihiro Sakaki, Masaki Ohtake, Hiromi Kataoka +2 more | 1997-05-13 |
| 5596426 | Image processing method and apparatus | Akira Torisawa, Yasuo Ito, Eihiro Sakaki, Masaki Ohtake, Hiromi Kataoka +2 more | 1997-01-21 |
| 5517281 | Image forming apparatus featuring a plurality or relatively moveable casings | Toshiaki Miyashiro, Shinkichi Takahashi, Takao Aoki, Eihiro Sakaki | 1996-05-14 |
| 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 |