Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580514 | Non-contact silicon melt surface evaluation method and system | Kazuo Onuma, Shin Nakamura | 2003-06-17 |
| 4755026 | Magnetooptic garnet | Yoichi Honda | 1988-07-05 |
| 4686678 | Semiconductor laser apparatus with isolator | Yoshinori Ohta, Isamu Sakuma, Mitsuhito Sakaguchi | 1987-08-11 |
| 4522473 | Faraday rotator for an optical device | Yoshinori Ohta, Koichi Matsumi | 1985-06-11 |