Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12367276 | Log management device and center device | Naoya Ishida, Masumi Egawa, Takeshi Sugashima, Taiji Abe, Katsuya Tanaka +1 more | 2025-07-22 |
| 11667264 | Unauthorized intrusion prevention device, unauthorized intrusion prevention method, and unauthorized intrusion prevention program | Takeshi Sugashima, Masumi Egawa | 2023-06-06 |
| 11474889 | Log transmission controller | Keigo NAGARA, Taiji Abe, Masumi Egawa | 2022-10-18 |
| 10756894 | Vehicle communication system, onboard apparatus, and key issuing apparatus | Yousuke Narimoto, Satoshi Nagao, Takeshi Sugashima | 2020-08-25 |