Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120280 | Microprism master mold | Ikuo Mimura | 2000-09-19 |
| 6083607 | Triangular pyramidal cube corner type retroreflective sheet | Ikuo Mimura | 2000-07-04 |
| 6010609 | Method of making a microprism master mold | Ikuo Mimura | 2000-01-04 |
| 5945042 | Method for continuously forming an array of optical elements and apparatus therefor | Ikuo Mimura | 1999-08-31 |
| 4656037 | SPF-100 and process for the preparation thereof | Shigezo Udaka, Hideo Ueyama, Junichi Taniguchi | 1987-04-07 |