Toyoshima; Hisashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Toyoshima; Hisashi.The latest application filed is for "digital image data authenticity assuring method, and digital image data disclosure system".
- Toyoshima; Hisashi - Tokyo JP
- Toyoshima; Hisashi - Hachiouji JP
- Toyoshima; Hisashi - Hachiohji JP
- Toyoshima; Hisashi - Hachioji JP
- Toyoshima, Hisashi - Hachioji-shi JP
| Patent | Date |
|---|---|
| Method and system for recovering the validity of cryptographically signed digital data Grant 7,694,126 - Miyazaki , et al. April 6, 2 | 2010-04-06 |
| Method for communication Grant 7,406,528 - Kurita , et al. July 29, 2 | 2008-07-29 |
| Trusted computer system Grant 7,210,043 - Miyazaki , et al. April 24, 2 | 2007-04-24 |
| Time stamp generating system Grant 7,200,682 - Miyazaki , et al. April 3, 2 | 2007-04-03 |
| Method and system for recovering the validity of cryptographically signed digital data Grant 7,134,021 - Miyazaki , et al. November 7, 2 | 2006-11-07 |
| Digital image data authenticity assuring method, and digital image data disclosure system App 20060117183 - Hatano; Yasuo ; et al. | 2006-06-01 |
| Method and system for recovering the validity of cryptographically signed digital data App 20060059357 - Miyazaki; Kunihiko ; et al. | 2006-03-16 |
| Method of information display and communication system using the method Grant 7,010,569 - Okayasu , et al. March 7, 2 | 2006-03-07 |
| Digital data authentication method App 20050182939 - Yoshiura, Hiroshi ; et al. | 2005-08-18 |
| Time stamp generating system App 20030212828 - Miyazaki, Kunihiko ; et al. | 2003-11-13 |
| Method for communication App 20030103603 - Kurita, Chikako ; et al. | 2003-06-05 |
| System and method for authentication App 20030084294 - Aoshima, Hirokazu ; et al. | 2003-05-01 |
| Digital data authentication method Grant 6,499,105 - Yoshiura , et al. December 24, 2 | 2002-12-24 |
| Trusted computer system App 20020174369 - Miyazaki, Kunihiko ; et al. | 2002-11-21 |
| Digital signature or electronic seal authentication system and recognized mark management program App 20020129255 - Tsuchiyama, Chikako ; et al. | 2002-09-12 |
| Digital data authentication method App 20020095579 - Yoshiura, Hiroshi ; et al. | 2002-07-18 |
| Method of managing an electronic mark using an agent App 20020038423 - Shouduka, Kenichi ; et al. | 2002-03-28 |
| Method and system for recovering the validity of cryptographically signed digital data App 20020023221 - Miyazaki, Kunihiko ; et al. | 2002-02-21 |
| Data display method and system App 20020002682 - Tsuchiyama, Chikako ; et al. | 2002-01-03 |
| Method of information display and communication system using the method App 20010056468 - Okayasu, Satoe ; et al. | 2001-12-27 |
| Method of detecting changed contents App 20010027450 - Shinoda, Takashi ; et al. | 2001-10-04 |
| Digital data authentication method Grant 6,131,162 - Yoshiura , et al. October 10, 2 | 2000-10-10 |
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