Inventor
HIGASHI AKIHIRO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “HIGASHI AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
13 patentsUS6167037ADec 26, 2000
Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system
NIPPON TELEGRAPH & TELEPHONE92 citations98
US5896374AApr 20, 1999
Variable rate transmission method, transmitter and receiver using the same
NIPPON TELEGRAPH & TELEPHONE111 citations98
US5832368ANov 3, 1998
Base station selection scheme for CDMA cellular system using perch channel and received SIR
NIPPON TELEGRAPH & TELEPHONE109 citations97
US5673260ASep 30, 1997
Method and system for CDMA mobile communication
NIPPON TELEGRAPH & TELEPHONE154 citations97
US5652765AJul 29, 1997
Receiver and repeater for spread spectrum communications
NIPPON TELEGRAPH & TELEPHONE94 citations96
US6026115AFeb 15, 2000
Rake receiver
NIPPON TELEGRAPH & TELEPHONE60 citations94
US5420850AMay 30, 1995
Mobile station and cell selecting method for code division multiplex access mobile communication
NIPPON TELEGRAPH & TELEPHONE88 citations94
US5940433AAug 17, 1999
Acquisition method and system of spreading code
NIPPON TELEGRAPH & TELEPHONE39 citations93
US5692015ANov 25, 1997
Coherent detector and a coherent detection method for a digital communication receiver
NIPPON TELEGRAPH & TELEPHONE39 citations93
US6738411B1May 18, 2004
Simultaneous plural code series generator and CDMA radio receiver using same
NIPPON TELEGRAPH & TELEPHONE20 citations92
US5596516AJan 21, 1997
Code sequence generator
NIPPON TELEGRAPH & TELEPHONE11 citations74
US6728305B2Apr 27, 2004
Simultaneous plural code series generator and CDMA radio receiver using same
NIPPON TELEGRAPH & TELEPHONE6 citations73
US6556552B1Apr 29, 2003
Signal strength measurement method and device
NIPPON TELEGRAPH & TELEPHONE8 citations72
NTT DOCOMO INC
10 patentsUS6782035B1Aug 24, 2004
Base station apparatus of mobile communication system
NTT DOCOMO INC85 citations99
US6343218B1Jan 29, 2002
Transmission power control method, mobile phone, base station, and recording medium
NTT DOCOMO INC159 citations95
US7095780B2Aug 22, 2006
Base station apparatus of mobile communication system
NTT DOCOMO INC14 citations92
US7437152B2Oct 14, 2008
Control method of searching neighboring cells, mobile station, and mobile, communication system
NTT DOCOMO INC10 citations84
US7240216B2Jul 3, 2007
IC card having block state of operation and method of providing information security for the same
NTT DOCOMO INC12 citations80
US7826861B2Nov 2, 2010
Base station apparatus of mobile communication system
NTT DOCOMO INC4 citations74
US7443907B2Oct 28, 2008
Base station apparatus of mobile communication system
NTT DOCOMO INC6 citations74
US7489663B2Feb 10, 2009
CDMA wireless transmission apparatus, CDMA wireless transmitter-receiver system and transmission power control method of the CDMA wireless transmission apparatus
NTT DOCOMO INC2 citations62
US8005120B2Aug 23, 2011
Base station apparatus of mobile communication system
NTT DOCOMO INC0 citations52
US7672357B2Mar 2, 2010
Base station apparatus of mobile communication system
NTT DOCOMO INC0 citations52
FUJITSU LTD
5 patentsUS9558537B2Jan 31, 2017
Image denoising method and image denoising apparatus
FUJITSU LTD0 citations51
US9299163B2Mar 29, 2016
Method and apparatus for processing edges of a gray image
FUJITSU LTD1 citations51
US9167175B2Oct 20, 2015
Flicker detection method and flicker detection apparatus
FUJITSU LTD1 citations51
US9148583B2Sep 29, 2015
Flicker detection method and flicker detection apparatus
FUJITSU LTD1 citations51
US9443286B2Sep 13, 2016
Gray image processing method and apparatus based on wavelet transformation
FUJITSU LTD0 citations41