Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7923060 | Method of manufacturing ceramic filter | Tatsuya Hishiki, Ichiro Wada | 2011-04-12 |
| 7885191 | Load balance server and method for balancing load of presence information | Naoki Imai, Kazuyuki Tasaka, Akira Idoue | 2011-02-08 |