Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582177 | Process for production of fiber-reinforced plastic tubing | Tsutomu Ibuki | 2009-09-01 |
| 5121252 | Projection screen and method for producing the same | Mizuo Okada, Kenichi Sakunaga, Shozo Saito | 1992-06-09 |