Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342654 | Surface roughening of resin molded articles for metallizing | Tomoyoshi Koizumi | 1994-08-30 |
| 5326593 | Surface roughening of resin molded articles for metallizing | Tomoyoshi Koizumi | 1994-07-05 |