Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122356 | Semiconductor switch | Yugo Kunishi, Yasuhiko Kuriyama | 2018-11-06 |
| 8698574 | High-frequency switch | Masayuki Sugiura, Noriyasu Kurihara, Toshiki Seshita, Hirotsugu Wakimoto, Yoshitomo Sagae +2 more | 2014-04-15 |
| 7660293 | Network, private branch exchange, and multi protocol communication terminal control method for use in the exchange | Shinobu Kimata | 2010-02-09 |
| 7408910 | Network, private branch exchange, wireless LAN terminal, and multiprotocol communication terminal control method therefor | Shinobu Kimata | 2008-08-05 |
| 6983152 | Portable telephone system capable of simultaneously carrying out high speed communication and low speed communication by one time slot and communication method therefor | — | 2006-01-03 |
| 6330448 | Handover arrangement for mobile station moving across the boundary of wireless cell-site stations of adjacent PBXs | Kiyokazu Otsuka | 2001-12-11 |