Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510281 | Method for manufacturing bifocal lens | Yoshikazu Munakata | 2009-03-31 |
| 4871910 | Method and apparatus for measuring the size of wire rod with laser beam and reference rod | Toru Ueno, Youichi Fukuoka, Seiichi Baba, Kazuto Kinoshita | 1989-10-03 |