Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189716 | Photosemiconductor and optical fiber welded module | Takahiro Matsubara, Yoshio Makita | 1993-02-23 |
| 5119462 | Photosemiconductor and optical fiber welded module | Takahiro Matsubara, Yoshio Makita | 1992-06-02 |
| 5000534 | Optical switch | Yasuyuki Watanabe, Akira Nikaido, Yoshio Wada | 1991-03-19 |