Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680296 | Information embedding device and program for changing a number of points that exist on sides of a polygon | Hisashi Inoue, Masataka Ejima, Kenichi Noridomi, Shugo Horikami | 2010-03-16 |
| 7356700 | Digital watermark-embedding apparatus and method, digital watermark-detecting apparatus and method, and recording medium | Kenichi Noridomi, Hisashi Inoue, Masataka Ejima | 2008-04-08 |
| 7315621 | Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium | Kenichi Noridomi, Hisashi Inoue, Takanori Okada | 2008-01-01 |
| 7187782 | Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium having recoded therein a program for performing the digital watermark-embedding method | Hisashi Inoue, Kenichi Noridomi | 2007-03-06 |
| 7142692 | Reproduction equipment, reproduction equipment specifying equipment, reproduction equipment specifying system and methods and recording media for said equipment and system | Koji Arimura, Hisashi Inoue, Kenichi Noridomi, Shinya Kadono, Kazuhiko Nakamura | 2006-11-28 |
| 7127614 | Justification authenticating system, personal certificate issuing system, and personal certificate | Yuichi Kawaguchi, Yuji Shimizu, Shinichi Tsumori, Hisashi Inoue | 2006-10-24 |
| 7003666 | Apparatus and method for embedding information for tamper detection and detecting tamper and recording medium having program for carrying out the method recorded thereon | Hisashi Inoue | 2006-02-21 |
| 6898297 | Digital watermark embedding method, digital watermark extracting method, recording medium, image recording device, and image replaying device | Hisashi Inoue, Koji Sugishita | 2005-05-24 |
| 6788821 | Digital information embedding/extracting apparatus and method, and medium including a program for executing the method recorded thereon | Hisashi Inoue | 2004-09-07 |
| 6728409 | Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon | Hisashi Inoue | 2004-04-27 |
| 6693965 | Apparatus for and method of embedding and extracting digital information, and medium having program for carrying out the method recorded thereon | Hisashi Inoue | 2004-02-17 |
| 6639997 | Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon | Hisashi Inoue | 2003-10-28 |
| 6477276 | Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon | Hisashi Inoue, Shiro Iwasaki, Mikio Shimazu, Shuichi Ojima, Akio Miyazaki +1 more | 2002-11-05 |
| 4600862 | Discharge lamp operation apparatus | Kazuhiko Ito, Masataka Ozawa, Kazutaka Koyama, Yoshiro Ogata | 1986-07-15 |