Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9166783 | Protection method, decryption method, player, storage medium, and encryption apparatus of digital content | Yuji Nagai, Hiroyuki Sakamoto, Hiroto Nakai, Hideki Mimura | 2015-10-20 |
| 8462652 | Transmission device and switchover processing method | Yoshiyuki Maeda, Yumiko Ogata, Taku Yoshida | 2013-06-11 |
| 7822052 | Communication processing apparatus and totalizing system | Hiromu Yoshii, Hironori Kadota, Yoko Toyozumi, Yumiko Ogata, Taku Yoshida +3 more | 2010-10-26 |
| 7724736 | Frame forwarding apparatus | Yoshiyuki Maeda, Hironori Kadota, Yoko Toyozumi, Yumiko Ogata, Yoshiko Sakamoto +1 more | 2010-05-25 |
| 6493065 | Alignment system and alignment method in exposure apparatus | Hideki Ina | 2002-12-10 |
| 4254779 | Brain wave analysis apparatus for use in diagnosing living body conditions | Masatake Akagawa, Masahiro Yamamoto, Noboru Inoue | 1981-03-10 |