Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7257294 | Method for processing transparent material, apparatus for processing the same and optical function device | Masanao Kamata, Tetsuya Nagata | 2007-08-14 |
| 4363088 | Electric power source units | Hirotaka Yamamoto, Shinobu Fujiwara | 1982-12-07 |