Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119595 | Lens grinding apparatus | Kazuo Ushiyama, Masaki Watanabe, Keiji Uchiyama | 1992-06-09 |
| 5091067 | Method and an apparatus for machining optical components | Kazuo Ushiyama, Masaki Watanabe, Keiji Uchiyama, Noriaki Takahashi, Akimi Matsuzawa +2 more | 1992-02-25 |