Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868272 | Induction heating device and image forming apparatus equipped with such induction heating device | Tomohiro Maeda, Toshiaki Kagawa | 2011-01-11 |
| 7801464 | Ion generating device with a discharge electrode on a dielectric body coated by a protective layer made of metal | Toshiaki Kagawa, Katsumi Adachi, Masashi Hirai | 2010-09-21 |
| 7043184 | Heating device, fixing device, image forming apparatus and heating method | Toshiaki Kagawa | 2006-05-09 |
| 6949724 | Heating device and heating method | Toshiaki Kagawa | 2005-09-27 |
| 6835918 | Heating device and heating method | Toshiaki Kagawa | 2004-12-28 |
| 6118967 | Toner image fixing device for preventing curling of recording medium | Toshiaki Kagawa, Toshihiro Tamura | 2000-09-12 |
| 6083588 | Fusing device | Toshiaki Kagawa, Toshihiro Tamura, Tatuya Shinkawa, Hiroyuki Sawai | 2000-07-04 |
| 5918097 | Toner image fixing device | Toshiaki Kagawa, Toshihiro Tamura | 1999-06-29 |
| 5890031 | Safety device for a toner image fixing device | Toshiaki Kagawa, Toshihiro Tamura, Yoshiya Kinoshita | 1999-03-30 |
| 5809389 | Fixing device for electrophotographic device | Toshihiro Tamura, Toshiaki Kagawa | 1998-09-15 |
| 5724639 | Fixing device having surfaces with different thermal characteristics | Toshihiro Tamura, Toshiaki Kagawa | 1998-03-03 |
| 5708947 | Toner image fixing device | Toshiaki Kagawa, Toshihiro Tamura | 1998-01-13 |