Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7106978 | Optical module, optical transmission apparatus, WDM optical transmission device, and method for stabilizing laser wavelength | Hideyuki Nasu, Takehiko Nomura | 2006-09-12 |
| 5317008 | Method of manufacturing bismuth type oxide superconductor | — | 1994-05-31 |