Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596441 | Optical polarization controller | Kazuo Aida, Kiyoshi Nakagawa | 1997-01-21 |
| 4775233 | Method of the measurement of light from an optical cable and arrangement therefor | Masatoshi Kaneshi, Masahiko Fukuda, Tadashi Nakane | 1988-10-04 |