Ishifuji; Tomoaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ishifuji; Tomoaki.The latest application filed is for "method for measuring distance and position using spread spectrum signal, and an equipment using the method".

Company Profile

0.37.26

Ishifuji; Tomoaki - Tokyo JP
Ishifuji; Tomoaki - Suginami-ku JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems and methods for wireless communication using SDMA Grant 8,310,995 - Murai , et al. November 13, 2	2012-11-13
Method for measuring distance and position using spread spectrum signal, and an equipment using the method Grant 7,969,347 - Tsunehara , et al. June 28, 2	2011-06-28
Method of providing location service using CDMA-based cellular phone system, a method of measuring location and location system Grant 7,711,376 - Ogino , et al. May 4, 2	2010-05-04
Method For Measuring Distance And Position Using Spread Spectrum Signal, And An Equipment Using The Method App 20100103047 - Tsunehara; Katsuhiko ; et al.	2010-04-29
Method for measuring distance and position using spread spectrum signal, and an equipment using the method Grant 7,663,532 - Tsunehara , et al. February 16, 2	2010-02-16
Radio communication device Grant 7,660,288 - Shida , et al. February 9, 2	2010-02-09
Wireless communication system and mobile terminal App 20090285184 - Watanabe; Koji ; et al.	2009-11-19
Method for measuring distance and position using spread spectrum signal, and an equipment using the method Grant 7,609,197 - Tsunehara , et al. October 27, 2	2009-10-27
Method for measuring distance and position using spread spectrum signal, and an equipment using the method App 20080068254 - Tsunehara; Katsuhiko ; et al.	2008-03-20
System and method for wireless communication using a management server and access points Grant 7,319,684 - Tamaki , et al. January 15, 2	2008-01-15
Systems and methods for wireless communication App 20070274256 - Murai; Shinji ; et al.	2007-11-29
Digital radio communication system for multi-application Grant 7,233,581 - Suzuki , et al. June 19, 2	2007-06-19
Wireless data communication system, wireless data communication method and communication apparatus Grant 7,209,765 - Hayase , et al. April 24, 2	2007-04-24
Radio communication device App 20070086400 - Shida; Masaaki ; et al.	2007-04-19
Wireless Data Communication System, Wireless Data Communication Method And Communication Apparatus App 20070081450 - Hayase; Shigenori ; et al.	2007-04-12
Communication method of contactless ID card and integrated circuit used in communication method Grant 7,116,709 - Tanaka , et al. October 3, 2	2006-10-03
Charging method and terminal equipment in the information and communication network system Grant 7,016,665 - Tamaki , et al. March 21, 2	2006-03-21
Contactless IC card Grant 6,963,269 - Saitoh , et al. November 8, 2	2005-11-08
Method for measuring distance and position using spread spectrum signal, and an equipment using the method App 20050140543 - Tsunehara, Katsuhiko ; et al.	2005-06-30
Method for measuring distance and position using spread spectrum signal, and an equipment using the method Grant 6,900,753 - Tsunehara , et al. May 31, 2	2005-05-31
Method and apparatus for measuring transmitting time offset of a base station Grant 6,889,051 - Ogino , et al. May 3, 2	2005-05-03
Wireless communication system and mobile terminal App 20050078633 - Watanabe, Koji ; et al.	2005-04-14
Location detection method, location detection system and location detection program Grant 6,865,394 - Ogino , et al. March 8, 2	2005-03-08
Communication method of contactless ID card and integrated circuit used in communication method App 20040228400 - Tanaka, Satoshi ; et al.	2004-11-18
Communication method of contactless ID card and integrated circuit used in communication method Grant 6,765,959 - Tanaka , et al. July 20, 2	2004-07-20
Fixed wireless access system and apparatus therefor Grant 6,731,905 - Ogino , et al. May 4, 2	2004-05-04
Packet communication system and packet communication apparatus Grant 6,731,602 - Watanabe , et al. May 4, 2	2004-05-04
Method for measuring distance and position using spread spectrum signal, and an equipment using the method App 20040066332 - Tsunehara, Katsuhiko ; et al.	2004-04-08
Wireless communication base station transmission timing offset correction system Grant 6,704,547 - Kuwahara , et al. March 9, 2	2004-03-09
Charging method and terminal equipment in the information and communication network system Grant 6,675,007 - Tamaki , et al. January 6, 2	2004-01-06
Position calculation method and position calculation apparatus Grant 6,671,649 - Kuwahara , et al. December 30, 2	2003-12-30
System and method for wireless communication using a management server and access points App 20030236103 - Tamaki, Tsuyoshi ; et al.	2003-12-25
Method for measuring distance and position using spread spectrum signal, and an equipment using the method Grant 6,657,579 - Tsunehara , et al. December 2, 2	2003-12-02
Position calculation method and position calculation apparatus App 20030191604 - Kuwahara, Mikio ; et al.	2003-10-09
Contactless IC card App 20030189483 - Saitoh, Takeshi ; et al.	2003-10-09
Contactless IC card Grant 6,570,490 - Saitoh , et al. May 27, 2	2003-05-27
Position calculation method and position calculation apparatus Grant 6,556,943 - Kuwahara , et al. April 29, 2	2003-04-29
Charging method and terminal equipment in the information and communication network system App 20030054795 - Tamaki, Tsuyoshi ; et al.	2003-03-20
Charging method and terminal equipment in the information and communication network system App 20030054796 - Tamaki, Tsuyoshi ; et al.	2003-03-20
Automatic identification equipment and IC cards Grant 6,508,400 - Ishifuji , et al. January 21, 2	2003-01-21
Method for measuring distance and position using spread spectrum signal, and an equipment using the method App 20020149511 - Tsunehara, Katsuhiko ; et al.	2002-10-17
Position calculation method and position calculation apparatus App 20020147566 - Kuwahara, Mikio ; et al.	2002-10-10
Method for measuring distance and position using spectrum signal, and an equipment using the method Grant 6,459,402 - Tsunehara , et al. October 1, 2	2002-10-01
Diversity wireless communication method and its wireless communication apparatus Grant 6,456,830 - Ogino , et al. September 24, 2	2002-09-24
Location detection method, location detection system and location detection program App 20020132625 - Ogino, Atsushi ; et al.	2002-09-19
Method and apparatus for measurement transmitting time offset of base station App 20020098839 - Ogino, Atsushi ; et al.	2002-07-25
Fixed wireless access system and apparatus therefor App 20020032031 - Ogino, Atsushi ; et al.	2002-03-14
Diversity wireless communication method and its wireless communication apparatus App 20020016156 - Ogino, Atsushi ; et al.	2002-02-07
Wireless communication base station transmission timing offset correction system App 20020009974 - Kuwahara, Mikio ; et al.	2002-01-24
Digital radio communication system for multi-application App 20020006120 - Suzuki, Hideya ; et al.	2002-01-17
Method of providing location service using CDMA-based cellular phone system, a method of measuring location and location system App 20020004398 - Ogino, Atsushi ; et al.	2002-01-10
Wireless position measurement terminal and wireless position measurement system App 20010051527 - Kuwahara, Mikio ; et al.	2001-12-13
Diversity wireless communication method and its wireless communication apparatus Grant 6,249,669 - Ogino , et al. June 19, 2	2001-06-19
Diversity wireless communication method and its wireless communication apparatus App 20010003088 - Ogino, Atsushi ; et al.	2001-06-07
Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field Grant 6,084,905 - Ishifuji , et al. July 4, 2	2000-07-04
Communication method and communication equipment Grant 6,084,888 - Watanabe , et al. July 4, 2	2000-07-04
Frequency-hopping communication system and communication station Grant 6,061,389 - Ishifuji , et al. May 9, 2	2000-05-09
Frequency-hopped wireless communication system and mobile wireless terminal Grant 6,014,406 - Shida , et al. January 11, 2	2000-01-11
Moving object identification method and apparatus Grant 6,010,075 - Ishifuji , et al. January 4, 2	2000-01-04
Frequency hopping wireless communication system and communication equipment Grant 5,862,142 - Takiyasu , et al. January 19, 1	1999-01-19
Wireless LAN system capable of re-transmission under management of a base station device to a destination mobile terminal device Grant 5,655,219 - Jusa , et al. August 5, 1	1997-08-05
Wireless communication system and wireless terminal device using fixed length communication frame Grant 5,559,804 - Amada , et al. September 24, 1	1996-09-24
Method of wireless communication between base station and mobile station and multiple access communication system Grant 5,537,414 - Takiyasu , et al. July 16, 1	1996-07-16

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