Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9372995 | Vulnerability countermeasure device and vulnerability countermeasure method | Tomohiro SHIGEMOTO, Hirofumi Nakakoji, Tetsuro Kito, Satoshi Takemoto, Tadashi Kaji +1 more | 2016-06-21 |
| 6512829 | Key distribution method and system in secure broadcast communication | Mototsugu Nishioka, Susumu Matsui | 2003-01-28 |
| 6189032 | Client-server system for controlling access rights to certain services by a user of a client terminal | Seiichi Susaki, Katsuyuki Umezawa, Seiji Miyazaki, Kazuo Matsunaga, Makoto Kitagawa | 2001-02-13 |
| 6041408 | Key distribution method and system in secure broadcast communication | Mototsugu Nishioka, Susumu Matsui | 2000-03-21 |