Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484540 | Method for welding a quartz glass tube for use as an optical fiber preform | Atsuhi Shimada, Toshiyuki Kato, Yutaka Watabe | 2002-11-26 |
| 6468706 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama, Fumihiro Sasaki +3 more | 2002-10-22 |
| 6425270 | Rod in tube method of forming a fiber preform, with maintaining a gas supply until after an end is stretched | Toshiyuki Kato, Atsuhi Shimada, Yutaka Watabe | 2002-07-30 |
| 6363229 | Full-color toner image fixing method and apparatus | Keiko Shiraishi, Yohichiroh Watanabe, Kazuhito Watanabe, Masahide Yamashita, Kohki Katoh +3 more | 2002-03-26 |
| 6335137 | Electrophotographic toner and electrophotographic image forming method and apparatus using the toner | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama | 2002-01-01 |