Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437848 | Liquid crystal light modulating element | Masakazu Okada, Eiji Kido | 2002-08-20 |
| 6432229 | Method and apparatus for monitoring work heating temperature in flame hardening | Kazuo Shirai | 2002-08-13 |