Issued Patents All Time
Showing 51–75 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8638928 | Key exchanging apparatus | Frederik Armknecht, Joao Girao | 2014-01-28 |
| 8594332 | Key generating apparatus, encrypting apparatus and decrypting appatatus | — | 2013-11-26 |
| 8583925 | Mix-net system | Kazue Sako | 2013-11-12 |
| 8583932 | Signature device, signature verification device, anonymous authetication system, signing method, signature authentication method, and programs therefor | — | 2013-11-12 |
| 8572383 | Key exchange device, key exchange processing system, key exchange method, and program | — | 2013-10-29 |
| 8553889 | Mix-net system | Kazue Sako | 2013-10-08 |
| 8495362 | Signature systems | — | 2013-07-23 |
| 8484471 | Multi-party distributed multiplication device, multi-party distributed multiplication system and method | — | 2013-07-09 |
| 8468346 | Data reference system, database presentation/distribution system, and data reference method | — | 2013-06-18 |
| 8448719 | Key exchange device | — | 2013-05-28 |
| 8394198 | Silica glass crucible for pulling up silicon single crystal and method for manufacturing thereof | Masaki Morikawa, Satoshi Kudo | 2013-03-12 |
| 8340284 | Key generation device, key derivation device, encryption device, decryption device, method and program | — | 2012-12-25 |
| 8270613 | System for disabling unauthorized person, encryption device, encryption method, and program | Satoshi Obana | 2012-09-18 |
| 8223973 | Mix-net system | Kazue Sako | 2012-07-17 |
| 8074067 | Member certificate acquiring device, member certificate issuing device, group signing device, and group signature verifying device | — | 2011-12-06 |
| 8058409 | Method of serum pre-treatment for glycomic analysis | Shin-Ichiro Nishimura, Yasuro Shinohara, Yoshiaki Miura, Yoko Kita, Akio Takimoto +1 more | 2011-11-15 |
| 8015405 | Proving apparatus and verification apparatus applied to deniable zero-knowledge interactive proof | — | 2011-09-06 |
| 8009828 | Integrated shuffle validity proving device, proof integrating device, integrated shuffle validity verifying device, and mix net system | — | 2011-08-30 |
| 8005211 | Shuffle-decrypting legitimacy certifying apparatus and method, shuffle-decrypting verifying apparatus and method, program, and recording medium | — | 2011-08-23 |
| 7995762 | Key issuing method, group signature system, information processing apparatus, and program | Isamu Teranishi | 2011-08-09 |
| 7974405 | Method and device for calculating a function from a large number of inputs | Isamu Teranishi | 2011-07-05 |
| 7964410 | Method for preparing analysis sample, analysis sample and sugar chain capture agent | Hideyuki Shimaoka, Hiromitsu Kuramoto, Shinichiro Nishimura, Yasuro Shinohara, Yoshiaki Miura | 2011-06-21 |
| 7862931 | Lead-based alloy for lead-acid battery, substrate for lead-acid battery and lead-acid battery | Yasuyuki Nehyo, Yutaka Mori, Tomohiro Hiraki | 2011-01-04 |
| 7792229 | Pulsed based communication system | Yukitoshi Sanada | 2010-09-07 |
| 7672460 | Mix-net system | Kazue Sako | 2010-03-02 |