Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461112 | Screw compression apparatus and operation control method thereof | Masakazu Aoki, Hiroyuki Matsuda, Hitoshi Nishimura | 2002-10-08 |
| 6391433 | Coating composition and thin film layer for optical parts | Jian Jiang | 2002-05-21 |