Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8995657 | Device and method for certifying one's own authenticity | Yuji Nagai, Taku Kato | 2015-03-31 |
| 8990571 | Host device, semiconductor memory device, and authentication method | Taku Kato, Yuji Nagai | 2015-03-24 |
| 8989374 | Cryptographic device for secure authentication | Yuji Nagai, Taku Kato | 2015-03-24 |
| 8984294 | System of authenticating an individual memory device via reading data including prohibited data and readable data | Yuji Nagai, Taku Kato, Toshihiro Suzuki, Noboru Shibata | 2015-03-17 |
| 8971529 | Information recording device | Taku Kato, Yuji Nagai | 2015-03-03 |
| 8949621 | Memory device authentication | Yuji Nagai, Taku Kato | 2015-02-03 |
| 8948400 | Host device | Taku Kato, Yuji Nagai | 2015-02-03 |
| 8938616 | Authentication method | Yuji Nagai, Taku Kato | 2015-01-20 |
| 8930720 | Authentication method | Yuji Nagai, Taku Kato | 2015-01-06 |
| 8898463 | Device | Yuji Nagai, Taku Kato | 2014-11-25 |
| 8885870 | Information processing device and computer program product | Nakaba Kogure, Fangming Zhao, Kentaro Umesawa, Toru Kambayashi | 2014-11-11 |
| 8861723 | Storage device, access device, and program product | Toru Kambayashi | 2014-10-14 |
| 8855297 | Device and authentication method therefor | Yuji Nagai, Taku Kato, Toshihiro Suzuki, Noboru Shibata | 2014-10-07 |
| 8850207 | Data recording device, and method of processing data recording device | Taku Kato, Yuji Nagai | 2014-09-30 |
| 8812843 | Device and authentication method therefor | Yuji Nagai, Taku Kato, Toshihiro Suzuki, Noboru Shibata | 2014-08-19 |
| 8761389 | Memory | Yuji Nagai, Toshihiro Suzuki, Noboru Shibata, Taku Kato | 2014-06-24 |
| 8762717 | Authentication device | Yuji Nagai, Taku Kato | 2014-06-24 |
| 8751814 | Device | Yuji Nagai, Taku Kato | 2014-06-10 |
| 8745391 | Data recording device, host device and method of processing data recording device | Taku Kato, Yuji Nagai | 2014-06-03 |
| 8732466 | Semiconductor memory device | Yuji Nagai, Toshihiro Suzuki, Noboru Shibata, Taku Kato | 2014-05-20 |
| 8726024 | Authentication method | Yuji Nagai, Taku Kato | 2014-05-13 |
| 8693694 | Information recording device | Taku Kato, Yuji Nagai | 2014-04-08 |
| 8667286 | Host device, semiconductor memory device, and authentication method | Taku Kato, Yuji Nagai | 2014-03-04 |
| 8661527 | Authenticator, authenticatee and authentication method | Taku Kato, Yuji Nagai, Fangming Zhao | 2014-02-25 |
| 8650393 | Authenticator | Taku Kato, Yuji Nagai, Shinichi Matsukawa | 2014-02-11 |