Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7233667 | Record medium, record medium manufacturing device, computer readable record medium on which program is recorded, and data presentation device | Naoki Endoh, Koichi Hirayama, Hisashi Yamada | 2007-06-19 |
| 6888943 | Multimedia adaptive scrambling system (MASS) | Katherine S. Lam, Kamran Moallemi, Chong U. Lee, Naoki Endoh | 2005-05-03 |
| 6779044 | Access control for an information processing device | — | 2004-08-17 |
| 6757405 | Digital watermark embedding device, digital watermark detection device and recording medium recording computer readable program for realizing functions of two devices | Hirofumi Muratani, Naoki Endo | 2004-06-29 |
| 6556679 | Copy-guard system and information recording medium used in the same system | Takehisa Kato, Kenjiro Endoh, Hisashi Yamada, Naoki Endoh | 2003-04-29 |