Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771426 | Input-output optical system of spatially optical coupled type, and optical switch | Tsuyoshi Yamamoto, Shinichi Takeuchi | 2004-08-03 |
TA
Tamotsu Akashi
Overall (2004): #107,536 of 270,089Top 40%
1
Patents 2004