Inventor
ISHIKAWA YOSHIHIRO
JP112 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
19 patentsUS7218617B1May 15, 2007
Transmission method of downlink pilot channel in CDMA mobile communication system, and CDMA mobile communication system
NTT DOCOMO INC35 citations93
US7929592B1Apr 19, 2011
Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
NTT DOCOMO INC16 citations92
US7193978B2Mar 20, 2007
Communications system employing a scheme of radio channel setting control
NTT DOCOMO INC28 citations92
US7693106B1Apr 6, 2010
Neighboring base station information update method, information management method for cell search in mobile communications system, cell search method of mobile station, mobile communications system, mobile station, base station and control station
NTT DOCOMO INC18 citations84
US7492721B2Feb 17, 2009
Traffic measurement device and traffic measurement method
NTT DOCOMO INC13 citations84
US7437152B2Oct 14, 2008
Control method of searching neighboring cells, mobile station, and mobile, communication system
NTT DOCOMO INC10 citations84
US7301991B2Nov 27, 2007
Fading frequency decision device and method
NTT DOCOMO INC10 citations84
US7194266B2Mar 20, 2007
Handover control method, mobile station and communication control apparatus
NTT DOCOMO INC16 citations84
US7167718B2Jan 23, 2007
Transmission power control apparatus, transmission power control method, and mobile station
NTT DOCOMO INC16 citations84
US7139571B1Nov 21, 2006
Cell search control method, mobile station and mobile communications system
NTT DOCOMO INC12 citations84
US7103364B2Sep 5, 2006
Call acceptance controlling apparatus and method thereof
NTT DOCOMO INC15 citations84
US7024186B1Apr 4, 2006
Communication performance calculation method and communication performance calculation apparatus in mobile communication system, and blocking probability calculation method and blocking probability calculation apparatus in communication system, and recording medium
NTT DOCOMO INC14 citations84
US6999427B1Feb 14, 2006
CDMA reception apparatus and received signal power measuring apparatus in CDMA mobile communication system
NTT DOCOMO INC12 citations84
US6907250B2Jun 14, 2005
Wireless channel changeover method and mobile communication system
NTT DOCOMO INC17 citations84
US6983039B2Jan 3, 2006
Call admission control method and communication system to which method is applied
NTT DOCOMO INC11 citations82
US7245914B2Jul 17, 2007
Operation data creating method and apparatus for mobile communication system and storage medium
NTT DOCOMO INC7 citations74
US7120446B2Oct 10, 2006
Call admission control method, communication system and base station device
NTT DOCOMO INC8 citations74
US6873626B2Mar 29, 2005
Control system, control method, and radio network controller preferably used for the system and method
NTT DOCOMO INC8 citations74
US6968197B2Nov 22, 2005
Apparatus and method for acquisition of communication quality
NTT DOCOMO INC5 citations73
NIPPON TELEGRAPH & TELEPHONE
6 patentsUS5838671ANov 17, 1998
Method and apparatus for call admission control in CDMA mobile communication system
NIPPON TELEGRAPH & TELEPHONE156 citations99
US5666655ASep 9, 1997
Mobile communication system with autonomous distributed type dynamic channel allocation scheme
NIPPON TELEGRAPH & TELEPHONE169 citations99
US6801515B1Oct 5, 2004
Call acceptance control method for CDMA mobile radio communication system and mobile station device
NIPPON TELEGRAPH & TELEPHONE55 citations96
US6741837B1May 25, 2004
Interference avoidance radio communications system
NIPPON TELEGRAPH & TELEPHONE56 citations96
US6453166B1Sep 17, 2002
Communication channel selecting method and base station device
NIPPON TELEGRAPH & TELEPHONE25 citations92
US7304970B1Dec 4, 2007
Traffic control method for mobile data communication, mobile station device and base station device
NIPPON TELEGRAPH & TELEPHONE19 citations84
FUJI PHOTO FILM CO LTD
5 patentsUS6657673B2Dec 2, 2003
Method and apparatus for detecting and recording images
FUJI PHOTO FILM CO LTD56 citations96
US6115557ASep 5, 2000
Electronic camera with light transmissible resin body
FUJI PHOTO FILM CO LTD16 citations83
US4976523ADec 11, 1990
Method of zooming in a camera and device for use in such method
FUJI PHOTO FILM CO LTD20 citations82
US6370334B1Apr 9, 2002
Imaging apparatus, a drive mechanism and a method of driving the mechanism
FUJI PHOTO FILM CO LTD8 citations74
US5657084AAug 12, 1997
Video tape recorder integrated with camera
FUJI PHOTO FILM CO LTD16 citations74
MITSUMI ELECTRIC CO LTD
3 patentsUS6412702B1Jul 2, 2002
Non-contact IC card having an antenna coil formed by a plating method
MITSUMI ELECTRIC CO LTD92 citations95
US7331812B2Feb 19, 2008
Connector for connecting electronic component
MITSUMI ELECTRIC CO LTD24 citations93
US7833042B2Nov 16, 2010
Connector for connecting electronic component
MITSUMI ELECTRIC CO LTD16 citations83
MAKITA CORP
3 patentsRINNAI KK
2 patentsEGUCHI HARUKI
2 patentsTAKENAKA KOMUTEN CO
2 patentsAMERICAN CYANAMID CO
2 patentsISHIKAWA YOSHIHIRO
2 patentsNIT DOCOMO INC
1 patentIHI CORP
1 patentFUJIFILM CORP
1 patentTORAY INDUSTRIES
1 patentShowing the top 50 of 112 patents by PatentIndex Score.