Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11176252 | Intrusion prevention device, intrusion prevention method, and intrusion prevention program | Keiichi Okabe, Takaaki Koyama, Yoshihiro Itoh, Naohiko Yoshizumi, Tetsuo Takahashi +3 more | 2021-11-16 |