Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11645062 | Software update device and software update system | Kyouichi NAKAGUMA, Hidetoshi Teraoka, Tomochika Ozaki, Tsuneo Sobue | 2023-05-09 |
| 8837461 | Telephony system | — | 2014-09-16 |
| 8625583 | IP telecommunication system, method for controlling communication in IP network, client terminal and client server | — | 2014-01-07 |
| 8605731 | Network system and server | Yasusi Kanada | 2013-12-10 |
| 8055764 | Computer system and management computer for identifying seat position | Mikio KATAOKA | 2011-11-08 |
| 7882172 | Thin client system | Hiroyuki Kakiuchi | 2011-02-01 |
| 7778222 | Wireless IP telephone system | Go Ono, Kazuma Yumoto | 2010-08-17 |
| 7773583 | IP telecommunication system, method for controlling communication in IP network, client terminal and client server | — | 2010-08-10 |
| 7729343 | IP phone system and IP phone terminal registration method | — | 2010-06-01 |
| 5283892 | Method and apparatus for file operation | Keiichi Nakane, Kazunari Suzuki, Toshio Kushida, Junichi Seki, Tadashi Kuwabara | 1994-02-01 |