Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11443068 | Data recovery device, data management server, data management system, data recovery method and program | Takafumi Kakioka, Hiroshi Toyoizumi | 2022-09-13 |
| 11200344 | Data recovery device, data management server, data management system, data recovery method and program | Takafumi Kakioka, Hiroshi Toyoizumi | 2021-12-14 |
| 10360821 | Sentence recognition device, sentence recognition method, and recording medium | Hiroshi Toyoizumi, Tetsuya Takahashi, Maya Takami | 2019-07-23 |
| 10277585 | Server device, information management system, information management method, and computer program | Hiroshi Toyoizumi, Tetsuya Takahashi, Maya Takami | 2019-04-30 |
| 10102463 | Two-dimensional code generation device, two-dimensional code generation method, and non-transitory computer-readable recording medium | Hiroshi Toyoizumi, Toshiki Nishiyama, Takuji Tokiwa | 2018-10-16 |
| 9654291 | Authentication server, authentication system, authentication method, and program | Hiroshi Toyoizumi | 2017-05-16 |
| 9547815 | Apparatuses and methods generating a two-dimensional code with a logo | Hideaki Kishi, Tomoko Shinotani | 2017-01-17 |
| 9436852 | Two-dimensional code authenticating device, two-dimensional code generating device, two-dimensional code authenticating method, and program | Ken-ichi Sakina, Kishi Hideaki | 2016-09-06 |
| 9208421 | Apparatuses and methods generating a two-dimensional code with a logo | Hideaki Kishi, Tomoko Shinotani | 2015-12-08 |
| 7360431 | Pressure sensor device including a diaphragm and a stopper member having a curved surface facing the diaphragm | Masayuki Yoneda, Jun Mizoguchi, Yasuhiro Kajio, Masaya Ishikawa, Naohisa Tsuchiya | 2008-04-22 |