Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10409975 | Short-range communication device, function control method and function control system | Tetsuhiro Tanno, Akira Shibutani, Kunio Yoshikawa, Tetsuhiro Sasagawa | 2019-09-10 |
| 10129030 | Information delivery system, information delivery method, short-range communication device, information delivery apparatus, and server | Akira Shibutani, Shigeko Kobayashi, Kazuma Nachi, Yuuta Higuchi, Tetsuhiro Sasagawa +3 more | 2018-11-13 |
| 9779568 | Locking control device, locking control system, and locking control method | Akira Shibutani, Shigeko Kobayashi, Kazuma Nachi, Yuuta Higuchi, Tetsuhiro Sasagawa +3 more | 2017-10-03 |