Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803793 | Lens grinding apparatus having chamfering and other grinding wheels mounted on the same shaft | Toshiaki Mizuno, Ryoji Shibata, Masahiko Kobayashi, Yoshinori Matsuyama, Masakazu Funakura | 1998-09-08 |
| 5716256 | Lens grinding apparatus for grinding an eyeglass lens from a plurality of directions | Toshiaki Mizuno, Ryoji Shibata, Masahiko Kobayashi, Yoshinori Matsuyama, Masakazu Funakura | 1998-02-10 |