Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10503385 | Switch, device control method, and program | Kiyotaka Takehara, Tsuyoshi WANAKA, Toshiaki Nakao, Kazuhiro Kawamoto, Makoto Kawasaki +1 more | 2019-12-10 |
| 9387772 | Charging system, server device, and program for server device | Takeshi Ogawa | 2016-07-12 |
| 9065301 | Power control system and electric device | Hisashi Takayama, Kiyotaka Takehara, Akiko Takamiya | 2015-06-23 |
| 8706266 | Power control system | Takeshi Ogawa, Yosihiko Tokunaga, Yasuhiro Yanagi, Masaru Hashimoto, Hisashi Takayama +1 more | 2014-04-22 |
| 8250622 | Method and apparatus for broadcasting to a portable terminal | Sadashi Kageyama, Akira Kisoda, Hidekuni Yomo | 2012-08-21 |
| 7834743 | RFID tag and RFID tag communication distance modification method | Minehisa Nagata, Satoshi Tagiri, Shinya Kemi, Hiroaki Niimi, Shunsuke Kuhara | 2010-11-16 |