Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10027479 | Generating device, encryption device, decryption device, generating method, encryption method, decryption method, and computer program product | Tsukasa Endo, Yuichi Komano, Mitsugu Iwamoto | 2018-07-17 |
| 9984239 | Concealing apparatus, decoding apparatus, concealing method, and decoding method | Tsukasa Omino, Yuichi Komano, Mitsugu Iwamoto | 2018-05-29 |
| 9537653 | Encryption key generating apparatus and computer program product | Yuichi Komano, Kazuo Sakiyama | 2017-01-03 |
| 9269735 | Method of manufacturing solid-state imaging device, solid-state imaging device, and electronic apparatus | Ikuo Yoshihara | 2016-02-23 |
| 8917342 | Solid-state imaging element, method for producing solid-state imaging element, and electronic device | — | 2014-12-23 |
| 8876542 | Connector and construction machine | Yoshio Nomura, Tomohiro Yoshino | 2014-11-04 |
| 8427372 | Array antenna | Fuminori Sakai | 2013-04-23 |
| 7496759 | Multisignature method, apparatus, program, and system | Yuichi Komano, Shinichi Kawamura, Atsushi Shimbo | 2009-02-24 |
| 7187769 | Method and apparatus for evaluating the strength of an encryption | Shiho Moriai, Kazumaro Aoki, Masayuki Kanda, Youichi Takashima | 2007-03-06 |
| 6769063 | Data converter and recording medium on which program for executing data conversion is recorded | Masayuki Kanda, Youichi Takashima, Kazumaro Aoki, Hiroki Ueda, Tsutomu Matsumoto | 2004-07-27 |
| 6266688 | Scheme for arithmetic operations in finite field and group operations over elliptic curves realizing improved computational speed | Kazmaro Aoki | 2001-07-24 |
| 6212637 | Method and apparatus for en-bloc verification of plural digital signatures and recording medium with the method recorded thereon | Tatsuaki Okamoto | 2001-04-03 |
| 6202076 | Scheme for arithmetic operations in finite field and group operations over elliptic curves realizing improved computational speed | Kazmaro Aoki | 2001-03-13 |
| 6038581 | Scheme for arithmetic operations in finite field and group operations over elliptic curves realizing improved computational speed | Kazumaro Aoki | 2000-03-14 |
| 5901229 | Electronic cash implementing method using a trustee | Eiichiro Fujisaki, Tatsuaki Okamoto | 1999-05-04 |
| 5889862 | Method and apparatus for implementing traceable electronic cash | Eiichiro Fujisaki, Atsushi Fujioka, Masayuki Abe | 1999-03-30 |
| 5540451 | Composite sealing material | Shunichi Kiyosawa, Shoji Seike, Toshiichi Ikami, Tatsuya Hishiki | 1996-07-30 |
| 5518255 | Carbon-based composite ceramic sealing material | Shoji Seike, Toshiichi Ikami, Shunichi Kiyosawa | 1996-05-21 |
| 5224162 | Electronic cash system | Tatsuaki Okamoto | 1993-06-29 |
| 4977595 | Method and apparatus for implementing electronic cash | Tatsuaki Okamoto | 1990-12-11 |
| 4969189 | Authentication system and apparatus therefor | Tatsuaki Okamoto | 1990-11-06 |
| 4855235 | Monoclonal antibodies to human leukocyte antigens | Toshitada Takahashi, Ryuzo Ueda | 1989-08-08 |