Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445140 | Production method of ultrasonic weld assembly | Yuuichi Aoki | 2008-11-04 |
| 5852652 | Voice mail exchange with a message recorder divided into sectors for groups of voice mail telephone sets | — | 1998-12-22 |