Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357716 | Holding device for holding optical element to be ground | Takayuki Kishida, Mitsuaki Takahashi, Masaki Watanabe | 1994-10-25 |
| 5291692 | Polishing work holder | Mitsuaki Takahashi, Takayuki Kishida, Masaki Watanabe | 1994-03-08 |
| 5140777 | Method and apparatus for polishing optical elements | Masaki Watanabe, Mitsuaki Takahashi, Takayuki Kishida | 1992-08-25 |
| 5119595 | Lens grinding apparatus | Masaki Watanabe, Keiji Uchiyama, Hisayuki Takei | 1992-06-09 |
| 5091067 | Method and an apparatus for machining optical components | Masaki Watanabe, Keiji Uchiyama, Hisayuki Takei, Noriaki Takahashi, Akimi Matsuzawa +2 more | 1992-02-25 |
| 5071525 | Method of grinding lenses and apparatus therefor | — | 1991-12-10 |