Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013467 | Positioning device, speed measuring device, and computer program product | Kazuya Shitaoka, Noriyoshi Suzuki | 2024-06-18 |
| 11409006 | Azimuth estimation device | Katsuhiro Matsuoka | 2022-08-09 |
| 11079494 | Positioning device | Katsuhiro Matsuoka | 2021-08-03 |
| 10809390 | Positioning apparatus | Katsuhiro Matsuoka | 2020-10-20 |
| 8149819 | ENUM system, ENUM client apparatus and method for communicating using ENUM client apparatus | Kazuto Kobayashi | 2012-04-03 |
| 8144704 | IP communication apparatus and IP communication method of such apparatus | Yasuo Nishida, Hidenobu Ueki | 2012-03-27 |
| 8089954 | IP telephone system, IP telephone apparatus and communications method | Kazuto Kobayashi | 2012-01-03 |
| 8000316 | IP telephone apparatus, ENUM server, terminal apparatus and IP telephone system | Kazuto Kobayashi | 2011-08-16 |
| 7957366 | IP telephone system, IP telephone apparatus and calling method | Yasuhito Kaizawa, Kazuto Kobayashi | 2011-06-07 |
| 7957367 | IP telephone apparatus, ENUM server, and calling method via the internet | Kazuto Kobayashi | 2011-06-07 |
| 7944912 | IP telephone system and calling method | Kazuto Kobayashi | 2011-05-17 |
| 7885252 | IP telephone apparatus | Kazuto Kobayashi | 2011-02-08 |
| 7848311 | Communication apparatus | Tomonori Shino, Tatsuo Bando | 2010-12-07 |
| 7801059 | IP communication apparatus and NAT type determination method by the same | Munetaka Washizu, Hirokazu Hayata, Takeshi Suga | 2010-09-21 |
| 7778238 | IP telephone apparatus | Kazuto Kobayashi | 2010-08-17 |
| 7756113 | IP terminal apparatus | Kazuto Kobayashi | 2010-07-13 |
| 7751386 | IP telephone apparatus, ENUM server, IP telephone system and method for deleting terminal information | Kazuto Kobayashi | 2010-07-06 |
| 7729341 | IP telephone apparatus and system having automatic registration | Kazuto Kobayashi | 2010-06-01 |
| 7715367 | IP telephone system, IP telephone apparatus and communications method | Toshiko Nishida, Kazuto Kobayashi, Kentaro Tada, Kiyoshi Toyoda | 2010-05-11 |
| 7653049 | IP telephone system, IP telephone apparatus and calling method | Kazuto Kobayashi | 2010-01-26 |
| 7620036 | IP telephone system and calling method | Kazuto Kobayashi | 2009-11-17 |
| 7606220 | Communication apparatus having an indicator that indicates a function service of a terminal apparatus | Tomonori Shino, Tatsuo Bando | 2009-10-20 |
| 7602767 | IP communication method, IP terminal apparatus, ENUM server and IP communication system | Kazuto Kobayashi | 2009-10-13 |
| 7564836 | Internet telephone apparatus, adapter and server for internet telephone communication, internet telephone system, and control method | — | 2009-07-21 |
| 7551605 | Home gateway apparatus | Tomonori Shino, Tatsuo Bando | 2009-06-23 |