| Patent | Date |
|---|
Power transmission device and non-contact power feeding system for transmitting electric power to power reception device by magnetic resonance
Grant 10,998,767 - Ikefuji , et al. May 4, 2 | 2021-05-04 |
Power transmission device non-contact power feeding system with detection circuit to detect current amplitude in transmission-side coil
Grant 10,923,962 - Ikefuji , et al. February 16, 2 | 2021-02-16 |
Power transmitting device and non-contact power feeding system
Grant 10,778,046 - Ikefuji , et al. Sept | 2020-09-15 |
Non-contact power feeding system
Grant 10,756,559 - Ikefuji A | 2020-08-25 |
Power reception device and non-contact power feeding system
Grant 10,700,554 - Ikefuji | 2020-06-30 |
Non-contact power supply system and power transmission device
Grant 10,601,258 - Ikefuji , et al. | 2020-03-24 |
Non-contact power supply system
Grant 10,530,187 - Ikefuji J | 2020-01-07 |
Power transmission device and non-contact power feeding system
Grant 10,432,029 - Ikefuji O | 2019-10-01 |
Charging system using NFC, mobile device chargeable by NFC, and charger
Grant 10,424,977 - Ikefuji , et al. Sept | 2019-09-24 |
Power Transmission Device And Non-contact Power Feeding System
App 20190140483 - IKEFUJI; Yoshihiro | 2019-05-09 |
Power Transmission Device And Non-contact Power Feeding System
App 20180342898 - IKEFUJI; Yoshihiro | 2018-11-29 |
Power Reception Device And Non-contact Power Feeding System
App 20180331575 - IKEFUJI; Yoshihiro | 2018-11-15 |
Power Transmission Device And Non-contact Power Feeding System
App 20180262049 - IKEFUJI; Yoshihiro ; et al. | 2018-09-13 |
Non-contact Power Feeding System
App 20180254654 - IKEFUJI; Yoshihiro | 2018-09-06 |
Power Transmission Device, Power Reception Device And Non-contact Power Feeding System
App 20180205255 - IKEFUJI; Yoshihiro ; et al. | 2018-07-19 |
Power Transmitting Device And Non-contact Power Feeding System
App 20180183277 - Ikefuji; Yoshihiro ; et al. | 2018-06-28 |
Charging System Using Nfc, Mobile Device Chargeable By Nfc, And Charger
App 20180175676 - Ikefuji; Yoshihiro ; et al. | 2018-06-21 |
Non-contact Power Supply System And Power Transmission Device
App 20180138757 - Ikefuji; Yoshihiro ; et al. | 2018-05-17 |
Non-Contact Power Supply System
App 20180019618 - Ikefuji; Yoshihiro | 2018-01-18 |
Power reception apparatus, power transmission apparatus, non-contact power supply system, power reception method, and power transmission method
Grant 9,819,213 - Ikefuji November 14, 2 | 2017-11-14 |
Power Reception Apparatus, Power Transmission Apparatus, Non-contact Power Supply System, Power Reception Method, And Power Transmission Method
App 20150280453 - IKEFUJI; Yoshihiro | 2015-10-01 |
Personal identification device and electronic apparatus provided therewith
Grant 7,961,918 - Hikita , et al. June 14, 2 | 2011-06-14 |
Filter circuit, and image sensor, image sensor module, and image reading apparatus provided therewith
Grant 7,773,271 - Yamada , et al. August 10, 2 | 2010-08-10 |
Personal Identification Device and Electronic Apparatus Provided Therewith
App 20080008365 - Hikita; Junichi ; et al. | 2008-01-10 |
Method of making semiconductor chips for liquid crystal display device
Grant 7,221,427 - Nakashima , et al. May 22, 2 | 2007-05-22 |
Filter circuit, and image sensor, image sensor module, and image reading apparatus provided therewith
App 20070070215 - Yamada; Nobuyuki ; et al. | 2007-03-29 |
Optical signal processor and image processing apparatus
App 20060077272 - Yamada; Nobuyuki ; et al. | 2006-04-13 |
IC card and IC chip module
Grant 7,003,678 - Ikefuji , et al. February 21, 2 | 2006-02-21 |
IC card and IC chip module
App 20050023361 - Ikefuji, Yoshihiro ; et al. | 2005-02-03 |
Authentication system, authentication device, authentication data producing device, and authentication method
Grant 6,842,859 - Hikita , et al. January 11, 2 | 2005-01-11 |
IC card and IC chip module
Grant 6,802,008 - Ikefuji , et al. October 5, 2 | 2004-10-05 |
Liquid crystal display device and method of making semiconductor chips for liquid crystal display device
App 20040108969 - Nakashima, Takayuki ; et al. | 2004-06-10 |
Data communication transponder and communications system employing it
Grant 6,747,546 - Hikita , et al. June 8, 2 | 2004-06-08 |
IC card and method of using IC card
Grant 6,742,117 - Hikita , et al. May 25, 2 | 2004-05-25 |
Communications system having an authentication function
Grant 6,724,296 - Hikita , et al. April 20, 2 | 2004-04-20 |
Non contact type IC card
Grant 6,679,424 - Hikita , et al. January 20, 2 | 2004-01-20 |
Liquid crystal display device and method of making semiconductor chips for liquid crystal display device
Grant 6,680,773 - Nakashima , et al. January 20, 2 | 2004-01-20 |
Data communication equipment, data communication system, and data communication method
Grant 6,654,466 - Ikefuji , et al. November 25, 2 | 2003-11-25 |
Automatic adjusting responder with no self-contained power supply
Grant 6,624,743 - Ikefuji , et al. September 23, 2 | 2003-09-23 |
Response device in contact/contactless IC card communication system
Grant 6,601,770 - Ikefuji , et al. August 5, 2 | 2003-08-05 |
Non contact type IC card
App 20030066895 - Hikita, Junichi ; et al. | 2003-04-10 |
Telecommunication device
Grant 6,498,923 - Ikefuji , et al. December 24, 2 | 2002-12-24 |
Card mounted with circuit chip and circuit chip module
Grant 6,478,228 - Ikefuji , et al. November 12, 2 | 2002-11-12 |
Non-contact Ic Card
App 20020162893 - HIKITA, JUNICHI ; et al. | 2002-11-07 |
Telecommunication Device
App 20020137463 - IKEFUJI, YOSHIHIRO ; et al. | 2002-09-26 |
Circuit chip mounted card and circuit chip module
Grant 6,422,473 - Ikefuji , et al. July 23, 2 | 2002-07-23 |
Circuit Chip Mounted Card And Circuit Chip Module
App 20020070280 - IKEFUJI, YOSHIHIRO ; et al. | 2002-06-13 |
Liquid crystal display device and method of making semiconductor chips for liquid crystal display device
App 20020072141 - Nakashima, Takayuki ; et al. | 2002-06-13 |
Liquid Crystal Display Having Capacitors On A Substrate With Equal Resistance Conductors Electrically Connecting The Capacitors To A Chip
App 20020067441 - Nakashima, Takayuki ; et al. | 2002-06-06 |
Integrated circuit device
App 20020050635 - Ogura, Katsuya ; et al. | 2002-05-02 |
Ic Card
App 20010045468 - IKEFUJI, YOSHIHIRO ; et al. | 2001-11-29 |
Card mounted with circuit chip and circuit chip module
Grant 6,181,001 - Ikefuji , et al. January 30, 2 | 2001-01-30 |
Tag responsive to high-frequecy for varying capacitance of tuning capacitor
Grant 5,774,062 - Ikefuji June 30, 1 | 1998-06-30 |
Tag responsive to high frequency for varying capacitance of capacitor in power source
Grant 5,721,535 - Ikefuji February 24, 1 | 1998-02-24 |
Side tone preventive circuit for telephone
Grant 5,029,203 - Ikefuji , et al. July 2, 1 | 1991-07-02 |
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