Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8942619 | Relay device | Kiyomi Hasesaka, Takuji Oyama | 2015-01-27 |
| 7890101 | Call controlling apparatus, call controlling method, and computer program | Takashi Mitsuhashi, Yuji Tajima, Takehito Tsurumi, Takashi Kitano | 2011-02-15 |