Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10931464 | Communication system, hardware security module, terminal device, communication method, and program | Keisuke Takemori, Takamasa Isohara | 2021-02-23 |
| 10671717 | Communication device, communication method and computer program | Keisuke Takemori, Takamasa Isohara, Yoshiyuki Shibata, Kei Katou | 2020-06-02 |
| 7853654 | Mass mail detection system and mail server | Katsuyuki Yamazaki, Hiromitsu Fujikawa, Akihiro Nakashima, Kenichi Yoshida | 2010-12-14 |