Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803337 | Method for producing a light transmitting filter | Tomohiro Kimura | 1989-02-07 |
| 4438160 | Method of making a rotary ball display device | Masaki Saito, Toshio Mori, Hidemasa Tamura | 1984-03-20 |