Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514721 | Multi-operation mode type of security-ensuring apparatus | Toshiyuki Shiraiwa | 1985-04-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514721 | Multi-operation mode type of security-ensuring apparatus | Toshiyuki Shiraiwa | 1985-04-30 |