Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934067 | Data update history storage apparatus and data update history storage method | — | 2011-04-26 |
| 7864800 | Communication system, auxiliary device and communication method | Aritoki Takada | 2011-01-04 |