Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525296 | Method of processing and optical components | Toshiyuki Matsushima, Yorishige Ishii, Kuniaki Okada, Hideaki Fujita, Yukio Kurata | 2003-02-25 |
| 6516115 | Two-way optical communication device and two-way optical communication apparatus | Hideaki Fujita, Yorishige Ishii, Yoshifumi Iwai, Toshiyuki Matushima, Yukio Kurata | 2003-02-04 |
| 6292609 | Optical components including an optical element having a surface that is tapered | Toshiyuki Matsushima, Yorishige Ishii, Kuniaki Okada, Hideaki Fujita, Yukio Kurata | 2001-09-18 |
| 6235408 | Laminate structure | Tsuyoshi Tamura | 2001-05-22 |
| 6118967 | Toner image fixing device for preventing curling of recording medium | Toshiaki Kagawa, Shogo Yokota | 2000-09-12 |
| 6088549 | Fixing device having an externally-heated fixing roller | Toshiaki Kagawa, Taisuke Kamimura, Syougo Yokota | 2000-07-11 |
| 6083588 | Fusing device | Toshiaki Kagawa, Shogo Yokota, Tatuya Shinkawa, Hiroyuki Sawai | 2000-07-04 |
| 5918097 | Toner image fixing device | Toshiaki Kagawa, Shogo Yokota | 1999-06-29 |
| 5890031 | Safety device for a toner image fixing device | Shogo Yokota, Toshiaki Kagawa, Yoshiya Kinoshita | 1999-03-30 |
| 5809389 | Fixing device for electrophotographic device | Toshiaki Kagawa, Shogo Yokota | 1998-09-15 |
| 5724639 | Fixing device having surfaces with different thermal characteristics | Toshiaki Kagawa, Shogo Yokota | 1998-03-03 |
| 5708947 | Toner image fixing device | Toshiaki Kagawa, Shogo Yokota | 1998-01-13 |
| 5521383 | Corona discharge device | Kazuhiko Furukawa, Toshiaki Kagawa, Syogo Yokota, Hiroyuki Sawai, Hiroshi Ishii | 1996-05-28 |