Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107909 | Subject information acquisition apparatus, subject information acquisition method, and program | Hirofumi Taki, Kenichi Nagae, Toru Sato | 2018-10-23 |
| 7668305 | Communication system based on SIP, and communication terminal | Takeo Akizuki, Osamu Shimada, Kiyoko Yamamoto | 2010-02-23 |