Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714988 | Wireless IC tag-attached metal medical instrument | Kengo Matsumoto, Hiromi Murayama, Makoto Yasutake | 2023-08-01 |
| 11701200 | Wireless IC tag-attached metal medical instrument | Hiromi Murayama, Kengo Matsumoto, Makoto Yasutake | 2023-07-18 |
| 10938244 | Bidirectional wireless power transmission system | Yosuke Kawanami, Keiichi Ichikawa | 2021-03-02 |
| 10714977 | Voltage detection circuit, power transmission device, and power transmission system | Keiichi Ichikawa | 2020-07-14 |
| 10707573 | Antenna device and electronic apparatus | Kentaro Mikawa | 2020-07-07 |
| 10388450 | Inductor module and electric power transmission system | Keiichi Ichikawa, Kentaro Mikawa | 2019-08-20 |
| 10069335 | Power transfer system with capacitive coupling | Keiichi Ichikawa, Henri Bondar | 2018-09-04 |
| 10020686 | Power transmission system | Keiichi Ichikawa, Henri Bondar, Hironobu Takahashi | 2018-07-10 |
| 9876362 | Power transfer system | Keiichi Ichikawa, Shinji Goma, Henri Bondar | 2018-01-23 |
| 9866038 | Wireless power transmission system | Keiichi Ichikawa, Hironori Sakai | 2018-01-09 |
| 9831710 | Electric power transmitting apparatus and method for controlling electric power transmission | Sinji Goma, Akihiko Shibata | 2017-11-28 |
| 9780839 | Power reception device, power transmission device, and power transmission system | Shinji Goma, Nobuhito Tsubaki, Noboru Kato | 2017-10-03 |
| 9735589 | Power transmission device and power transmission control method | Sinji Goma, Keiichi Ichikawa | 2017-08-15 |
| 9685794 | Power transmission system | Hironobu Takahashi, Keiichi Ichikawa | 2017-06-20 |
| 9473212 | Wireless power transmission system | Kazuya Kato, Hironobu Takahashi | 2016-10-18 |
| 7615874 | Electronic component module | Kazuaki Higashibata, Toshihiro Hosokawa, Masaki KAWATA | 2009-11-10 |
| 7579930 | High-frequency module | Toshihiro Hosokawa, Kazuaki Higashibata | 2009-08-25 |
| 6271803 | Chip antenna and radio equipment including the same | Kunihiro Watanabe, Teruhisa Tsuru, Seiji Kanba, Yujiro Dakeya | 2001-08-07 |
| 6111544 | Chip antenna, antenna device, and mobile communication apparatus | Yujiro Dakeya, Teruhisa Tsuru, Seiji Kanba | 2000-08-29 |
| 6075491 | Chip antenna and mobile communication apparatus using same | Yujiro Dakeya, Teruhisa Tsuru, Seiji Kanba | 2000-06-13 |
| 6031731 | Mobile communication apparatus having a selecting plate mounted on circuit board | Yujiro Dakeyo, Seiji Kanba, Teruhisa Tsuru | 2000-02-29 |
| 5999146 | Antenna device | Seiji Kanba, Teruhisa Tsuru, Harufumi Mandai | 1999-12-07 |
| 5986614 | Antenna device | Sejii Kanaba, Teruhisa Tsuru | 1999-11-16 |
| 5977927 | Chip antenna | Harufumi Mandai, Kenji Asakura, Teruhisa Tsuru, Seiji Kanba | 1999-11-02 |
| 5973651 | Chip antenna and antenna device | Seiji Kanba, Teruhisa Tsuru | 1999-10-26 |