Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626869 | Electric compressor | Shinji Nakamoto, Koji Sakai | 2020-04-21 |
| 10465953 | Air conditioning apparatus | Teruaki Ohyama, Tomoyuki Sumi, Akitomo Yamanaka, Koji Sakai | 2019-11-05 |
| 10220677 | Vehicle air conditioner having a gas injection cycle | Teruaki Ohyama, Koji Sakai, Tomoyuki Sumi, Shinji Nakamoto | 2019-03-05 |
| 10030646 | Gas compressor | Kentaro Yamamoto, Masahiko Takano | 2018-07-24 |
| 9897103 | Compressor | — | 2018-02-20 |
| 9347338 | Gas compressor | Kentaro Yamamoto, Masahiko Takano | 2016-05-24 |
| 8955323 | Compressor | — | 2015-02-17 |
| 7499660 | Image forming apparatus and image forming method | — | 2009-03-03 |
| 7336910 | Image forming apparatus with gamma conversion means | — | 2008-02-26 |
| 7259885 | Image forming apparatus with gamma conversion means | — | 2007-08-21 |
| 7260345 | Image forming apparatus with a developer consumption control feature | — | 2007-08-21 |
| 7254349 | Image forming apparatus having means to control condition of current supply to discharge wire and grid of charging member | — | 2007-08-07 |
| 6987576 | Image forming apparatus with gamma conversion means | — | 2006-01-17 |
| 6903844 | Image formation apparatus, image formation apparatus control method, and storage medium storing computer-readable program | — | 2005-06-07 |
| 6822767 | Image processing method and image processing apparatus | Ryuji Kawano, Jun Asai | 2004-11-23 |
| 6740990 | Compulsory drive unit for electrical equipment in a vehicle | Yuji Tozuka | 2004-05-25 |
| 6538678 | Image forming apparatus with development controller | Takahiro Nakase, Jun Asai | 2003-03-25 |
| 6493524 | Image forming apparatus | — | 2002-12-10 |
| 6456817 | Fixing device having an intruding separation member | — | 2002-09-24 |
| 6418280 | Electrophotographic apparatus with exposure control for multiple target light portion potentials | — | 2002-07-09 |
| 6125244 | Image forming apparatus featuring an environmentally responsive voltage switch | — | 2000-09-26 |
| 6020176 | Kaurene synthase | Shinjiro Yamaguchi | 2000-02-01 |
| 5721627 | Sheet transport apparatus for detecting a color of a document | — | 1998-02-24 |
| 5610689 | Image forming apparatus having failure diagnosing function | Atsushi Takeda, Toru Katsumi | 1997-03-11 |
| 5557427 | Image forming apparatus with means for detecting sheet thickness | — | 1996-09-17 |