Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12032187 | Band-pass filter and manufacturing method therefor | Keiichi Sahara, Masaaki Imura, Tsutomu Imamura | 2024-07-09 |
| 11307336 | Glass plate with dielectric multilayer film and manufacturing method thereof | Keiichi Sahara, Tsutomu Imamura | 2022-04-19 |
| 7969667 | Lens assembly | Toshiya Sodeyama, Hideaki Ichikawa | 2011-06-28 |