Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9041392 | Current sensor | Yasuo Kotera, Manabu Tamura | 2015-05-26 |
| 8442915 | Modifiable authentication levels in authentication systems for transactions | Sunao Takatori | 2013-05-14 |
| 8117444 | Host computer, mobile communication device, program, and recording medium | Sunao Takatori | 2012-02-14 |
| 8032460 | Authentication managing apparatus, and shop communication terminal | Sunao Takatori | 2011-10-04 |
| 7974247 | Communication terminal device and billing device | Sunao Takatori | 2011-07-05 |
| 7969918 | Slave communication device for use in wireless LAN system and control method and control program of slave communication device | Sunao Takatori | 2011-06-28 |
| 7944865 | Wireless LAN system and control method and control program of wireless LAN system | Sunao Takatori | 2011-05-17 |
| 7869430 | Communication terminal device and billing device | Sunao Takatori | 2011-01-11 |
| 6778654 | System for transfer control of telephone line | Sunao Takatori, Changmine Zhou | 2004-08-17 |
| 6763231 | Radio communication device, parent communication device, parent-child communication device and radio communication system | Sunao Takatori | 2004-07-13 |
| 6421027 | Millimeter-wave signal transmission system communicatable within buildings | Sunao Takatori | 2002-07-16 |