Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894366 | Wireless communication using communication rate based on radio signal propagation condition | — | 2011-02-22 |
| 7715357 | Radio LAN system using communication apparatus, and method for setting operation mode | — | 2010-05-11 |
| 7586885 | VoIP wireless telephone system and method utilizing wireless LAN | — | 2009-09-08 |
| 4393920 | Manipulator for working in a heat exchanger | Michitsune Shima, Shiso Kihara, Takeo Omichi, Taenji Igarashi | 1983-07-19 |