Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12074461 | Contactless power supply device, power reception device, and power transmission device | — | 2024-08-27 |
| 11561262 | Signal transmission circuit, battery monitoring device, and battery monitoring method | — | 2023-01-24 |
| 11146110 | Power reception device | — | 2021-10-12 |
| 11061074 | Battery measurement device and battery monitoring system | — | 2021-07-13 |
| 10983171 | Signal transmission circuit, battery monitoring device, and battery monitoring method | — | 2021-04-20 |
| 10826289 | Wireless power supply device | — | 2020-11-03 |
| 10630073 | Wireless power receiving device, wireless power supply device, wireless power transmission system, and method for protecting wireless power receiving device from excessive magnetic field | — | 2020-04-21 |
| 10566841 | Wireless power supply device, wireless power receiving device, wireless power transmission system, and wireless power supply method | — | 2020-02-18 |
| 10488442 | Wireless power feeding device, wireless power receiving device, wireless power supply system, and method for measuring current of wireless power feeding device | — | 2019-11-26 |
| 10396572 | Power transmission device and power transmission method | — | 2019-08-27 |
| 10374469 | Wireless power receiver, wireless power supply system, and wireless power reception method | Hiroji Akahori | 2019-08-06 |
| 10298428 | Wireless transmission device and wireless transmission method | — | 2019-05-21 |
| 9847771 | Filter circuit in wireless receiver | — | 2017-12-19 |
| 9407146 | Power source circuit and method of controlling power source circuit | — | 2016-08-02 |
| 9356637 | Power-supply device, method for controlling the same, and communication device including the same | — | 2016-05-31 |
| 9148185 | Filter circuit and receiving apparatus | Satoshi TACHI | 2015-09-29 |
| 8872620 | Wireless key system and key location determination method | Nobumasa Higemoto | 2014-10-28 |
| 8667353 | Semiconductor chip and test method | — | 2014-03-04 |
| 8508305 | Oscillation circuit | — | 2013-08-13 |
| 8405783 | Electronic device, remote control device, and remote control system | — | 2013-03-26 |
| 8204162 | Reception frequency control circuit | Kazuhiko Seki | 2012-06-19 |
| 7853226 | Peak-hold circuit and signal strength indicator using the peak-hold circuit | Manabu Hirata, Kazuyuki Tajima | 2010-12-14 |
| 7769114 | Multi-mode receiver circuit for dealing with various modulation systems and signal formats | — | 2010-08-03 |
| 7761071 | Variable gain amplifier, and AM-modulated signal reception circuit and detection circuit | Tokio Miyasita, Junichi Yanagihara | 2010-07-20 |
| 7532449 | Analog semiconductor integrated circuit and method of adjusting same | Nobumasa Higemoto, Shinji Tanabe | 2009-05-12 |