Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10393972 | Optical subassembly and optical module | Hiroshi Hamada | 2019-08-27 |
| 10204955 | Back illuminated photo detector and optical receiver module having a center portion of an exposed contact portion located on an optical axis of light | Hiroshi Hamada | 2019-02-12 |