Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671309 | Wide-band optical fiber coupler and method for preparing the same | Masaaki Shirota, Kazuo Koya | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671309 | Wide-band optical fiber coupler and method for preparing the same | Masaaki Shirota, Kazuo Koya | 1997-09-23 |