Patent | Date |
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Electronic component, antenna and RF tag Grant 11,228,106 - Nomura , et al. January 18, 2 | 2022-01-18 |
Wireless IC tag Grant D894,773 - Koujima , et al. Sep | 2020-09-01 |
Wireless IC tag Grant D890,007 - Koujima , et al. | 2020-07-14 |
Wireless IC tag Grant D874,463 - Koujima , et al. Fe | 2020-02-04 |
Electronic Component, Antenna And Rf Tag App 20190393605 - NOMURA; Satoshi ;   et al. | 2019-12-26 |
Module Substrate Antenna, And Module Substrate Mounting The Same App 20190304662 - KOUJIMA; Jun ;   et al. | 2019-10-03 |
Magnetic antenna, and RF tag and board mounted with the RF tag Grant 10,027,017 - Koujima , et al. July 17, 2 | 2018-07-17 |
Magnetic Antenna, And Rf Tag And Board Mounted With The Rf Tag App 20170187092 - KOUJIMA; Jun ;   et al. | 2017-06-29 |
Magnetic antenna, and RF tag and board mounted with the RF tag Grant 9,634,735 - Koujima , et al. April 25, 2 | 2017-04-25 |
Magnetic antenna, board mounted with the same, and RF tag Grant 9,397,401 - Koujima , et al. July 19, 2 | 2016-07-19 |
RF tag, magnetic antenna, board mounted with the RF tag, and communication system Grant 9,311,590 - Koujima , et al. April 12, 2 | 2016-04-12 |
Composite RF tag, and tool mounted with the composite RF tag Grant 9,218,559 - Koujima , et al. December 22, 2 | 2015-12-22 |
Composite Rf Tag, And Tool Mounted With The Composite Rf Tag App 20140239075 - KOUJIMA; Jun ;   et al. | 2014-08-28 |
Composite RF tag, and tool mounted with the composite RF tag Grant 8,720,787 - Koujima , et al. May 13, 2 | 2014-05-13 |
Composite Magnetic Antenna And Rf Tag, And Metal Part And Metal Tool On Which The Composite Magnetic Antenna Or Rf Tag Is Installed App 20130206847 - Koujima; Jun ;   et al. | 2013-08-15 |
Rf Tag, Magnetic Antenna, Board Mounted With The Rf Tag, And Communication System App 20130206845 - Koujima; Jun ;   et al. | 2013-08-15 |
Composite magnetic antenna and RF tag, and metal part and metal tool on which the composite magnetic antenna or RF tag is installed Grant 8,479,999 - Koujima , et al. July 9, 2 | 2013-07-09 |
Magnetic Antenna, And Rf Tag And Board Mounted With The Rf Tag App 20130020394 - Koujima; Jun ;   et al. | 2013-01-24 |
Composite Rf Tag, And Tool Mounted With The Composite Rf Tag App 20120091210 - Koujima; Jun ;   et al. | 2012-04-19 |
Magnetic Antenna, Board Mounted With The Same, And Rf Tag App 20110124299 - Koujima; Jun ;   et al. | 2011-05-26 |
Composite Magnetic Antenna And Rf Tag, And Metal Part And Metal Tool On Which The Composite Magnetic Antenna Or Rf Tag Is Installed App 20110101113 - Koujima; Jun ;   et al. | 2011-05-05 |
Magnetic recording medium App 20070111038 - Koujima; Jun ;   et al. | 2007-05-17 |
Perpendicular magnetic recording medium Grant 6,916,530 - Koujima , et al. July 12, 2 | 2005-07-12 |
Magnetic recording medium and process for producing the same Grant 6,821,618 - Koujima , et al. November 23, 2 | 2004-11-23 |
Magnetic recording medium and process for producing the same Grant 6,753,077 - Nakata , et al. June 22, 2 | 2004-06-22 |
Perpendicular magnetic recording medium App 20030143434 - Koujima, Jun ;   et al. | 2003-07-31 |
Magnetic recording medium and process for producing the same App 20030008176 - Koujima, Jun ;   et al. | 2003-01-09 |
Magnetic recording medium and process for producing the same App 20020094458 - Nakata, Kenichi ;   et al. | 2002-07-18 |