Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8903259 | Image forming apparatus preventing failure of recording material detachment from conveyance belt | — | 2014-12-02 |
| 8874015 | Image forming apparatus | Kazukiyo Akashi, Yasuhito Shirafuji, Yasushi Takeuchi | 2014-10-28 |
| 8866506 | Contact structure for inspection | — | 2014-10-21 |
| 8833764 | Sheet feeding machine | Masayuki Kashiba, Akira Onodera | 2014-09-16 |
| 8615178 | Image forming apparatus with voltage application or electric field formation during rotation start or stop | — | 2013-12-24 |
| 8457537 | Image forming apparatus for transferring a toner image onto a recording material | Yasuhito Shirafuji, Yasushi Takeuchi, Kazukiyo Akashi | 2013-06-04 |
| 8362792 | Manufacturing method of probe card and the probe card | — | 2013-01-29 |
| 8320791 | Intermediate transfer belt, a conveyance belt member, and an image forming apparatus comprising the same | — | 2012-11-27 |
| 8310257 | Contact structure for inspection | Shinichiro Takase, Kunihiro Furuya | 2012-11-13 |
| 8160480 | Image forming apparatus having controlled speed differential between image bearing members and intermediate transfer belt | — | 2012-04-17 |
| 8112021 | Image forming apparatus having mechanism for correcting pull of belt member | — | 2012-02-07 |
| RE42637 | Probe card | Hisatomi Hosaka | 2011-08-23 |
| 7860420 | Cleaner-less image forming apparatus | — | 2010-12-28 |
| 7848671 | Image forming apparatus with multiple image forming portions and image transfers | — | 2010-12-07 |
| 7750655 | Multilayer substrate and probe card | Hisatomi Hosaka | 2010-07-06 |
| 7692435 | Probe card and probe device for inspection of a semiconductor device | Shigekazu Komatsu, Takashi Amemiya | 2010-04-06 |
| 7669509 | Guillotine cutter | Chuji Yamaguchi, Hitoshi Uchida, Akira Nakajima, Tetsuya Kawagoe, Takakazu Hori +1 more | 2010-03-02 |
| 7664444 | Image forming apparatus with multiple image forming modes | — | 2010-02-16 |
| 7498827 | Probe card | Hisatomi Hosaka | 2009-03-03 |
| 7474110 | Probe card | Hisatomi Hosaka | 2009-01-06 |
| 7460811 | Image forming apparatus | — | 2008-12-02 |
| 7130550 | Image forming apparatus featuring a changeable mixing ratio of deep and pale color toners | — | 2006-10-31 |
| 7130568 | Image forming apparatus which presents faulty image when toner image on image bearing member is transferred to transferring medium | — | 2006-10-31 |
| 6990300 | Image forming apparatus with bias and integral current control features | Makoto Saito, Takeshi Tomizawa | 2006-01-24 |
| 6904245 | Image forming apparatus with transfer bias controlled by a detected test pattern | Takeshi Tomizawa, Makoto Saito | 2005-06-07 |