Inventor
NAKAZAWA FUMIHIKO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZAWA FUMIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
42 patentsUS7176903B2Feb 13, 2007
Piezoelectric element and touch screen utilizing the same
FUJITSU LTD87 citations98
US6492633B2Dec 10, 2002
Optical scanning-type touch panel
FUJITSU LTD91 citations98
US6480187B1Nov 12, 2002
Optical scanning-type touch panel
FUJITSU LTD112 citations98
US6069961AMay 30, 2000
Microphone system
FUJITSU LTD116 citations98
US7075054B2Jul 11, 2006
Optical position detecting device and recording medium including a detection of dust on a light retro-reflector
FUJITSU LTD46 citations96
US6664952B2Dec 16, 2003
Optical scanning-type touch panel
FUJITSU LTD70 citations96
US5451724ASep 19, 1995
Touch panel for detecting a coordinate of an arbitrary position where pressure is applied
FUJITSU LTD135 citations95
US7859522B2Dec 28, 2010
Touch panel device and control method and device for eliminating noises in touch panel device
FUJITSU LTD22 citations93
US7423636B2Sep 9, 2008
Touch panel device and method for manufacturing touch panel devices
FUJITSU LTD26 citations93
US6756973B2Jun 29, 2004
Touch panel device
FUJITSU LTD40 citations93
US6750853B2Jun 15, 2004
Touch panel device
FUJITSU LTD24 citations93
US6838657B2Jan 4, 2005
Optical position detecting device and recording medium
FUJITSU LTD12 citations92
US5751406AMay 12, 1998
Range finding apparatus
FUJITSU LTD32 citations92
US9851380B2Dec 26, 2017
Power strip and electric power measurement system
FUJITSU LTD8 citations84
US7605523B2Oct 20, 2009
Piezoelectric device, its manufacturing method, and touch panel device
FUJITSU LTD8 citations84
US7522156B2Apr 21, 2009
Optical scanning-type touch panel
FUJITSU LTD13 citations84
US7489304B2Feb 10, 2009
Touch panel device
FUJITSU LTD13 citations84
US6911973B2Jun 28, 2005
Touch panel device
FUJITSU LTD17 citations84
US6762753B2Jul 13, 2004
Touch panel device
FUJITSU LTD14 citations84
US7667694B2Feb 23, 2010
Touch panel device and contract position detection method
FUJITSU LTD7 citations74
US7324096B2Jan 29, 2008
Touch panel device
FUJITSU LTD8 citations74
US7230612B2Jun 12, 2007
Touch panel device
FUJITSU LTD6 citations74
US7184029B2Feb 27, 2007
Touch panel device
FUJITSU LTD7 citations74
US6927386B2Aug 9, 2005
Optical position detecting device and recording medium including an operational defect judgment
FUJITSU LTD7 citations74
US6844539B2Jan 18, 2005
Touch location by retroflected scanned optical beams
FUJITSU LTD10 citations74
US6768484B2Jul 27, 2004
Touch panel device
FUJITSU LTD12 citations74
US6627871B2Sep 30, 2003
Optical position detecting device having mounting member for retroreflector and optical transceiver
FUJITSU LTD11 citations74
US6268868B1Jul 31, 2001
Information displaying apparatus
FUJITSU LTD13 citations74
US5675404AOct 7, 1997
Method and system for recognizing behavior of object
FUJITSU LTD14 citations74
US10054981B2Aug 21, 2018
Overturn prevention device for apparatus including tiltable housing
FUJITSU LTD4 citations73
US9316672B2Apr 19, 2016
Power strip and power measurement method
FUJITSU LTD4 citations72
US7932900B2Apr 26, 2011
Touch panel device
FUJITSU LTD4 citations63
US7079120B2Jul 18, 2006
Touch panel device
FUJITSU LTD6 citations63
US10488928B2Nov 26, 2019
Tactile sensation providing system and tactile sensation providing apparatus
FUJITSU LTD1 citations62
US7377166B2May 27, 2008
Sensor signal processing system and detector
FUJITSU LTD2 citations62
US9830011B2Nov 28, 2017
Input apparatus
FUJITSU LTD0 citations52
US9310407B2Apr 12, 2016
Power strip and power measurement method
FUJITSU LTD1 citations52
US8040327B2Oct 18, 2011
Touch panel device and method for manufacturing touch panel devices
FUJITSU LTD0 citations52
US7705836B2Apr 27, 2010
Touch panel device
FUJITSU LTD0 citations52
US10716507B2Jul 21, 2020
Palpation assisting apparatus, palpation assisting system, and palpation assisting method
FUJITSU LTD0 citations42
US9581621B2Feb 28, 2017
Method of calculating current correction formula for power strip, current measuring method, and power strip
FUJITSU LTD0 citations42
US7502015B2Mar 10, 2009
Touch panel device
FUJITSU LTD0 citations42