Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11882119 | Communication system, cryptographic key distribution method, management communication apparatus, and communication apparatus | Kenji Kuramae, Masao Akimoto | 2024-01-23 |
| 11831625 | Gateway apparatus, communication method, and recording medium | — | 2023-11-28 |
| 11792023 | Communication apparatus, communication system, and communication method | Tomoki Takazoe, Kenji YASU, Yuji Unagami | 2023-10-17 |
| 11647021 | Authentication method, authentication system, and controller | Yuji Unagami, Manabu Maeda, Tomoki Takazoe, Hideki Matsushima | 2023-05-09 |
| 11362892 | Communication device, certification method, and computer readable recording medium for recertification of devices | — | 2022-06-14 |
| 11290442 | Communication device, communication method, and computer program | Tomoki Takazoe | 2022-03-29 |
| 10992667 | Authentication method, authentication system, and controller | Yuji Unagami, Manabu Maeda, Tomoki Takazoe, Hideki Matsushima | 2021-04-27 |
| 10951400 | Authentication method, authentication system, and controller | Yuji Unagami, Manabu Maeda, Hideki Matsushima, Tomoki Takazoe | 2021-03-16 |
| 10848324 | Communication device, certificate authority device, and recording medium | Tomoki Takazoe | 2020-11-24 |
| 10764275 | Controller, communication method, and communication system | Tomoki Takazoe, Hideki Matsushima, Yuji Unagami | 2020-09-01 |
| 10609027 | Communication system, communication method, and management device | Tomoki Takazoe, Manabu Maeda, Yuji Unagami | 2020-03-31 |
| 10440021 | Authentication method, authentication system, and controller | Yuji Unagami, Manabu Maeda, Tomoki Takazoe, Hideki Matsushima | 2019-10-08 |
| 10404453 | Authentication method, authentication system, and controller | Yuji Unagami, Manabu Maeda, Hideki Matsushima, Tomoki Takazoe | 2019-09-03 |
| 10319219 | Device, method, and system for managing device control | Haruo Hinode, Takayuki AMATSU, Hiroshi Masuda, Naoki Endo, Morio Hirahara +2 more | 2019-06-11 |
| 9813847 | Communication system and control apparatus | Naohiro Fukuda, Kenji YASU | 2017-11-07 |
| 9800660 | Communication device, communication system and communication method | Masaki Ikeda, Tomoya Watanabe, Keiji Sakaguchi, Hirotatsu Shinomiya, Seiji Nimura | 2017-10-24 |
| 9642100 | Wireless communication device and transmission-power control device | Naotake Yamamoto, Tetsuya Hishikawa | 2017-05-02 |
| 8730839 | Control device, communication terminal, control method, communication control method, and integrated circuit | — | 2014-05-20 |
| 8724477 | Communication terminal tranmitting or receiving a signal according to a set timing determined by a maximum or minimum value of a backoff time and control apparatus communication method, computer program and integrated circuit performing the same | Hironori Nakae | 2014-05-13 |
| 8654656 | Communication device, method, integrated circuit, system, and program | — | 2014-02-18 |
| 8359061 | Radio communication system, radio terminal, base station, and base station search method | Takashi Matsumoto, Hironori Nakae, Yosuke Ukita, Hiroshi Hayashino | 2013-01-22 |
| 5714729 | TIG welding method and welding torch therefor | Yuji Yamada, Tohru Ishikawa, Yuichi Motora, Toshihiro Yasuda | 1998-02-03 |