Issued Patents All Time
Showing 26–50 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9313130 | Routing method and network transmission apparatus | Kunikazu Matsumoto, Daisuke Shinomiya, Yutaka Takahashi, Hiroaki Sakai | 2016-04-12 |
| 9203800 | Communication method, node, and network system | Tetsuya Izu, Kazuyoshi Furukawa, Hisashi Kojima | 2015-12-01 |
| 9166800 | Authentication method, authentication system, and authentication chip using common key cryptography | Kouichi Itoh | 2015-10-20 |
| 9130745 | Encryption processing device and method | Kouichi Itoh, Dai Yamamoto | 2015-09-08 |
| 9071420 | Information processing apparatus, tampering detection apparatus, information processing method, tampering detection method, and computer product | Jun Yajima, Tetsuya Izu | 2015-06-30 |
| 9032203 | Key setting method, node, server, and network system | Tetsuya Izu, Kazuyoshi Furukawa, Hisashi Kojima | 2015-05-12 |
| 9021001 | Individual-specific information generation apparatus and individual-specific information generation method | Dai Yamamoto, Kouichi Itoh | 2015-04-28 |
| 9015218 | Random number generator, encryption device, and authentication device | Dai Yamamoto, Kouichi Itoh | 2015-04-21 |
| 8891759 | Cryptographic processing device and cryptographic processing method | Kouichi Itoh, Dai Yamamoto | 2014-11-18 |
| 8732454 | Key setting method, node, and network system | Kazuyoshi Furukawa, Hisashi Kojima, Tetsuya Izu | 2014-05-20 |
| 8719578 | Document verifying apparatus, document verifying method, and computer product | Tetsuya Izu | 2014-05-06 |
| 8719563 | Key setting method, node, and network system | Hisashi Kojima, Kazuyoshi Furukawa, Tetsuya Izu | 2014-05-06 |
| 8707057 | Data processing apparatus and data processing method | Kazuyoshi Furukawa, Takeshi Shimoyama | 2014-04-22 |
| 8668037 | Saddle-ride-type electrically operated vehicle | Yasuo Shinde, Nobuo Nakai | 2014-03-11 |
| 8667302 | Signature generating device and method, signature verifying device and method, and computer product | Takashi Yoshioka, Fumitsugu Matsuo, Fumiaki Chiba | 2014-03-04 |
| 8656173 | Electronic image data verification program, electronic image data verification system, and electronic image data verification method | Takashi Yoshioka | 2014-02-18 |
| 8638927 | Cryptographic processing method, computer readable storage medium, and cryptographic processing device | Kouichi Itoh | 2014-01-28 |
| 8601563 | Wireless tag, reader/writer, encoding system, and encoding method | Atsushi Sakai, Koken Yamamoto | 2013-12-03 |
| 8566597 | Digital signature program, digital signature apparatus, and digital signature method | Takashi Yoshioka, Fumitsugu Matsuo, Fumiaki Chiba | 2013-10-22 |
| 8533483 | Data processing apparatus and digital signature method | Tetsuya Izu | 2013-09-10 |
| 8452973 | Digital signature method, program, and apparatus | Tetsuya Izu | 2013-05-28 |
| 8433913 | Apparatus, method, and program for digital signature | Tetsuya Izu | 2013-04-30 |
| 8433910 | Electronic signature method, apparatus, and recording medium having electronic signature program recorded thereon | Tetsuya Izu | 2013-04-30 |
| 8418795 | Saddle-ride electric vehicle | Taiki Sasage | 2013-04-16 |
| 8391477 | Cryptographic device having tamper resistance to power analysis attack | Tetsuya Izu, Kouichi Itoh | 2013-03-05 |