Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639158 | Monitoring terminal device | — | 2009-12-29 |
| 7233881 | Physical quantity monitoring and control system and portable information terminal used for the same | — | 2007-06-19 |
| 7187277 | Monitoring terminal device | — | 2007-03-06 |
| 5448390 | Wavelength division multiplex bothway optical communication system | Toshiyuki Tsuchiya, Nobuyuki Tokura | 1995-09-05 |
| 4413179 | Mechanical vibrator for light beam chopper | Shoji Matsuoka, Junichiro Minowa | 1983-11-01 |