Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8001583 | Network failure detection method and network failure detection system | Yuji Waizumi, Hiroshi Tsunoda | 2011-08-16 |
| 4897133 | Method for manufacturing an embossed pattern in a portable medium | Hiroshi Ohba | 1990-01-30 |