Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770009 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Seiichi Susaki, Toshiyuki Moritsu, Mizuhiro Sakai +2 more | 2010-08-03 |
| 7711714 | Method and a device for sterilizing downloaded files | Seiichi Domyo, Hiroshi Yoshiura | 2010-05-04 |
| 7694126 | Method and system for recovering the validity of cryptographically signed digital data | Kunihiko Miyazaki, Hiroshi Yoshiura, Seiichi Susaki, Ryoichi Sasaki, Hisashi Toyoshima +1 more | 2010-04-06 |
| 7549208 | Method of mounting electronic circuit chip | Chikashi Okamoto, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Sobe +2 more | 2009-06-23 |
| 7447339 | Unique code generating apparatus, method, program and recording medium | Masahiro Mimura, Kenta Takahashi, Masakatsu Nishigaki, Yoichi Shibata | 2008-11-04 |
| 7359515 | Method and apparatus for symmetric-key decryption | Soichi Furuya, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2008-04-15 |
| 7333972 | Database integration management method and apparatus and processing program, medium therefor | Chikashi Okamoto, Yasuko Fukuzawa, Hideki Tokuyama, Mitsuo Usami | 2008-02-19 |
| 7330949 | Terminal for use in a system interfacing with storage media | Chikashi Okamoto | 2008-02-12 |
| 7309019 | Method of checking authenticity of sheet with built-in electronic circuit chip | Chikashi Okamoto, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Isobe +2 more | 2007-12-18 |
| 7305558 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Seiichi Susaki, Toshiyuki Moritsu, Mizuhiro Sakai +2 more | 2007-12-04 |
| 7298029 | Semiconductor devices and manufacturing method therefor | Mitsuo Usami, Kazutaka Tsuji, Takeshi Saito, Akira Sato, Kenji Sameshima +1 more | 2007-11-20 |
| 7280659 | Pseudorandom number generating apparatus or encryption or decryption apparatus using the same | Dai Watanabe, Soichi Furuya | 2007-10-09 |
| 7224796 | Pseudorandom number generating apparatus or encryption or decryption apparatus using the same | Dai Watanabe, Soichi Furuya | 2007-05-29 |
| 7210043 | Trusted computer system | Kunihiko Miyazaki, Shinji Itoh, Hiroshi Yoshiura, Masato Arai, Toshiaki Arai +2 more | 2007-04-24 |
| 7200682 | Time stamp generating system | Kunihiko Miyazaki, Seiichi Susaki, Hiroshi Yoshiura, Takeshi Matsuki, Hisashi Toyoshima +3 more | 2007-04-03 |
| 7200232 | Method and apparatus for symmetric-key decryption | Soichi Furuya, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2007-04-03 |
| 7178026 | Identification code management method and management system | Chikashi Okamoto, Yasuko Fukuzawa | 2007-02-13 |
| 7173515 | RFID tag, and RFID tag-related determining device and method, and management system and method | Masaru Ohki, Hideki Tokuyama, Rei Itsuki, Shojiro Asai, Atsushi Tanaka | 2007-02-06 |
| 7139759 | Method and a device for managing a computer network | Seiichi Domyo, Hiroshi Yoshiura | 2006-11-21 |
| 7138915 | Handling support method and handling support system | Hajime Morito, Yasuko Fukuzawa, Shojiro Asai | 2006-11-21 |
| 7134021 | Method and system for recovering the validity of cryptographically signed digital data | Kunihiko Miyazaki, Hiroshi Yoshiura, Seiichi Susaki, Ryoichi Sasaki, Hisashi Toyoshima +1 more | 2006-11-07 |
| 7110545 | Method and apparatus for symmetric-key encryption | Soichi Furuya, Hiroyuki Kurumatani, Masashi Takahashi, Kunihiko Miyazaki, Hisayoshi Sato +1 more | 2006-09-19 |
| 7089388 | Terminal for use in a system interfacing with storage media | Chikashi Okamoto | 2006-08-08 |
| 7061083 | Semiconductor devices | Mitsuo Usami, Kazutaka Tsuji, Takeshi Saito, Akira Sato, Kenji Sameshima +1 more | 2006-06-13 |
| 7007854 | Method of checking authenticity of sheet with built-in electronic circuit chip | Chikashi Okamoto, Kazutaka Tsuji, Mitsuo Usami, Chizuko Yasunobu, Asahiko Isobe +2 more | 2006-03-07 |