Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937859 | Mobile communication service control system and mobile communication service control method | Tooru Hasegawa, Toyota Nishi, Akira Kaiyama, Takeshi Sugiyama, Hiroshi Matsunaga +1 more | 2005-08-30 |