Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10998767 | Power transmission device and non-contact power feeding system for transmitting electric power to power reception device by magnetic resonance | Takeshi Seike, Yusuke Yoshii | 2021-05-04 |
| 10923962 | Power transmission device non-contact power feeding system with detection circuit to detect current amplitude in transmission-side coil | Akihiro Okui, Kimitake Utsunomiya | 2021-02-16 |
| 10778046 | Power transmitting device and non-contact power feeding system | Akihiro Okui | 2020-09-15 |
| 10756559 | Non-contact power feeding system | — | 2020-08-25 |
| 10700554 | Power reception device and non-contact power feeding system | — | 2020-06-30 |
| 10601258 | Non-contact power supply system and power transmission device | Junya Sato | 2020-03-24 |
| 10530187 | Non-contact power supply system | — | 2020-01-07 |
| 10432029 | Power transmission device and non-contact power feeding system | — | 2019-10-01 |
| 10424977 | Charging system using NFC, mobile device chargeable by NFC, and charger | Masahide Tanaka | 2019-09-24 |
| 9819213 | Power reception apparatus, power transmission apparatus, non-contact power supply system, power reception method, and power transmission method | — | 2017-11-14 |
| 7961918 | Personal identification device and electronic apparatus provided therewith | Junichi Hikita | 2011-06-14 |
| 7773271 | Filter circuit, and image sensor, image sensor module, and image reading apparatus provided therewith | Nobuyuki Yamada | 2010-08-10 |
| 7221427 | Method of making semiconductor chips for liquid crystal display device | Takayuki Nakashima, Hiroo Mochida, Hideki Hayashi | 2007-05-22 |
| 7003678 | IC card and IC chip module | Hiroharu Okada | 2006-02-21 |
| 6842859 | Authentication system, authentication device, authentication data producing device, and authentication method | Junichi Hikita, Shigemi Chimura | 2005-01-11 |
| 6802008 | IC card and IC chip module | Hiroharu Okada | 2004-10-05 |
| 6747546 | Data communication transponder and communications system employing it | Junichi Hikita, Haruo Taguchi | 2004-06-08 |
| 6742117 | IC card and method of using IC card | Junichi Hikita, Toyokazu Komuro | 2004-05-25 |
| 6724296 | Communications system having an authentication function | Junichi Hikita, Haruo Taguchi | 2004-04-20 |
| 6680773 | Liquid crystal display device and method of making semiconductor chips for liquid crystal display device | Takayuki Nakashima, Hiroo Mochida, Hideki Hayashi | 2004-01-20 |
| 6679424 | Non contact type IC card | Junichi Hikita, Shigemi Chimura, Haruo Taguchi | 2004-01-20 |
| 6654466 | Data communication equipment, data communication system, and data communication method | Satoshi Yoshioka | 2003-11-25 |
| 6624743 | Automatic adjusting responder with no self-contained power supply | Shigemi Chimura, Satoshi Yoshioka | 2003-09-23 |
| 6601770 | Response device in contact/contactless IC card communication system | Hiroharu Okada | 2003-08-05 |
| 6498923 | Telecommunication device | Shigemi Chimura, Haruo Taguchi | 2002-12-24 |