Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10108821 | Program execution device | Hideki Matsushima, Yukie Shoda, Shunji Harada | 2018-10-23 |
| 10089620 | Recording medium, license management apparatus, and recording and playback apparatus | Hideki Matsushima, Shunji Harada, Yasushi Uesaka, Masayuki Kozuka, Masataka Nikaido | 2018-10-02 |
| 9866535 | Content reproduction system, information processing terminal, media server, secure device, and server secure device | Hideki Matsushima, Naoyoshi Otsubo, Koichi Morioka, Natsume Matsuzaki, Norio Sanada | 2018-01-09 |