Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843032 | Process for producing a DFB laser with a diffraction grating superlattice | Yasunori Tokuda | 1989-06-27 |
| 4817110 | Semiconductor laser device | Yasunori Tokuda, Noriaki Tsukada, Keisuke Kojima, Yoshinori Nomura, Teruhito Matsui | 1989-03-28 |
| 4788689 | Composite resonator-type semiconductor laser device | Yasunori Tokuda | 1988-11-29 |
| 4786951 | Semiconductor optical element and a process for producing the same | Yasunori Tokuda | 1988-11-22 |
| 4594522 | Armature winding of a split stator | Norio Takeuchi, Yoji Nakatsuka, Tsuyoshi Horita, Yuji Nakanishi, Shigeru Murasato | 1986-06-10 |