Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991102 | Beam protecting device | Masahiro Oono, Masato Hara, Koichi Maruyama | 1999-11-23 |
| 5825555 | Beam projecting apparatus | Masahiro Oono, Satoru Tachihara, Koichi Maruyama | 1998-10-20 |
| 5768150 | Device and method for measuring a characteristic of an optical element | Masahiro Oono, Masato Noguchi | 1998-06-16 |