Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973985 | Vehicle seat | Shinji Arakawa, Hiroshi Tsunashima | 2015-03-10 |
| 8845031 | Vehicle seat | Yoshitaka Sasaki, Takeshi Chokyu | 2014-09-30 |
| 7738642 | Reverse charging system, reverse-charging service control apparatus, call agent and reverse charging method | Yusuke Honda, Kouichi Shimizu | 2010-06-15 |
| 7583659 | Media gateway and automatic telephone call redirecting service system | Toshiyuki Matsuda | 2009-09-01 |
| 7352856 | Telephone applicable to PSTN and IP network and call connection control method | Toshiyuki Matsuda, Kouichi Shimizu, Taro Ogawa | 2008-04-01 |
| 6977999 | Reverse charging system, reverse-charging service control apparatus, call agent and reverse charging method | Yusuke Honda, Kouichi Shimizu | 2005-12-20 |