Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369718 | Total internal reflection-type optical waveguide switch | Hisaharu Yanagawa | 1994-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369718 | Total internal reflection-type optical waveguide switch | Hisaharu Yanagawa | 1994-11-29 |