Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11693344 | Fixing belt unit and fixing device | Takeshi Kinoshita | 2023-07-04 |
| 10852672 | Power supply device and image forming apparatus | — | 2020-12-01 |
| 10698358 | Power supply apparatus and image forming apparatus having adjusted load power | — | 2020-06-30 |
| 10444677 | Image forming apparatus with fixing device, the image forming apparatus controlling supply of power to a heater by a driver based on an output of a temperature detector | Hiroki Uzawa | 2019-10-15 |
| 10423116 | Power supply apparatus and image forming apparatus having adjusted load power | — | 2019-09-24 |
| 10168655 | Image forming apparatus including electric storage portion | — | 2019-01-01 |
| 9411279 | Image forming and fixing apparatuses having fixing and pressing rotating member and rectification element | — | 2016-08-09 |
| 8768192 | Fixing apparatus of induction heating type for fixing image formed on sheet | — | 2014-07-01 |
| 8515297 | Serial communication apparatus and image forming apparatus including the same | — | 2013-08-20 |
| 8461497 | Power supply circuitry for inductive heating element and capable of minimizing losses to switching element | — | 2013-06-11 |
| 8068756 | Image forming apparatus and control method | — | 2011-11-29 |
| 8023841 | Fixing controller and image forming apparatus | — | 2011-09-20 |
| 7865097 | Image forming apparatus and control method | — | 2011-01-04 |
| 7825357 | Power supply, image forming apparatus, and electric current supply method | — | 2010-11-02 |
| 7573007 | Power supply, image forming apparatus, and electric current supply method | — | 2009-08-11 |
| 7158733 | Image forming apparatus which includes an image bearing body surface potential detection feature | Koji Doi, Ryuta Mine | 2007-01-02 |
| 7042591 | Image exposure apparatus and image forming apparatus | Katsuyuki Yamazaki, Toshiyuki Sekiya, Mitsuo Shiraishi | 2006-05-09 |
| 6498356 | LED chip, LED array chip, LED array head and image-forming apparatus | Toshiyuki Sekiya, Mitsuo Shiraishi, Ryuta Mine | 2002-12-24 |
| 5965211 | Electroless copper plating solution and process for formation of copper film | Koji Kondo, Seiji Amakusa, Katuhiko Murakawa, Katsuaki Kojima, Nobumasa Ishida +1 more | 1999-10-12 |
| 5248853 | Semiconductor element-mounting printed board | Nobumasa Ishida, Kaoru Nomoto | 1993-09-28 |
| 5039338 | Electroless copper plating solution and process for formation of copper film | Koji Kondo, Seiji Amakusa, Katuhiko Murakawa, Katsuaki Kojima, Nobumasa Ishida +1 more | 1991-08-13 |
| 4956014 | Electroless copper plating solution | Koji Kondo, Katuhiko Murakawa, Kaoru Nomoto, Futoshi Ishikawa, Nobumasa Ishida | 1990-09-11 |
| 4935267 | Process for electrolessly plating copper and plating solution therefor | Koji Kondo, Katuhiko Murakawa, Nobumasa Ishida, Kaoru Nomoto, Futoshi Ishikawa | 1990-06-19 |
| 4814009 | Electroless copper plating solution | Koji Kondo, Katuhiko Murakawa, Kaoru Nomoto, Futoshi Ishikawa, Nobumasa Ishida | 1989-03-21 |
| 4812897 | Semiconductor element sealing structure | Ryoichi Narita, Toshio Sonobe, Hitoshi Ito, Osamu Takenaka, Junji Sugiura | 1989-03-14 |