Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360898 | Eye accommodation function state measurement device and eye accommodation function state measurement method | Tatsuhiko Nagata, Eishi Aizawa | 2008-04-22 |
| 7290879 | Eye refractive power measurement device | Tatsuhiko Nagata, Eishi Aizawa | 2007-11-06 |
| 5440688 | Network management system employing a main processor and an auxiliary processor to receive alarm messages and transmit recovery commands | — | 1995-08-08 |