Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497897 | Plaster agent and method of preparing same | Osafumi Hidaka, Michisuke Ohe, Osam Magoshi, Tomoki Sakai | 2002-12-24 |
| 6484540 | Method for welding a quartz glass tube for use as an optical fiber preform | Atsuhi Shimada, Masanori Suzuki, Yutaka Watabe | 2002-11-26 |
| 6425270 | Rod in tube method of forming a fiber preform, with maintaining a gas supply until after an end is stretched | Masanori Suzuki, Atsuhi Shimada, Yutaka Watabe | 2002-07-30 |
| 6404847 | Continuously scanning X-ray analyzer having improved readiness and accuracy | Bunjiro Ueki, Hideaki Fujimoto | 2002-06-11 |