Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10409975 | Short-range communication device, function control method and function control system | Akira Shibutani, Kunio Yoshikawa, Yuusaku Inoue, 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 |
| 9237508 | Mobile terminal and information reading preventing method | Kumiko Yamaguchi, Kunio Yoshikawa, Tomohiro Akiyama, Tetsuhiro Sasagawa | 2016-01-12 |
| 9141163 | Portable terminal, recording medium | Kumiko Yamaguchi, Kunio Yoshikawa, Tomohiro Akiyama, Tetsuhiro Sasagawa, Kazuaki Gemma +2 more | 2015-09-22 |
| 9027160 | Access management system and access management method | Kumiko Yamaguchi, Masaharu Nakatsuchi, Mao Asai, Ryo Nakajima | 2015-05-05 |