Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339377 | Article surveillance security system with self-alarm | Hitoshi Hasegawa | 2002-01-15 |
| 5396226 | Identification code input board for electrical equipment including electrical locks | Hideo Wake | 1995-03-07 |