Inventor
HANAOKA SEISHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HANAOKA SEISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6141335AOct 31, 2000
Radio communication system
HITACHI LTD202 citations99
US7356004B2Apr 8, 2008
Data transmission method for a mobile communication system
HITACHI LTD38 citations96
US6377613B1Apr 23, 2002
Communication apparatus for code division multiple accessing mobile communications system
HITACHI LTD63 citations96
US7277498B2Oct 2, 2007
Mapping method of code word with QAM modulation
HITACHI LTD27 citations92
US6920122B1Jul 19, 2005
Control method of channel assign
HITACHI LTD40 citations92
US8014827B2Sep 6, 2011
Base station which communicates according to a retransmission control
HITACHI LTD8 citations84
US7283671B2Oct 16, 2007
Communications terminal
HITACHI LTD17 citations84
US7158770B2Jan 2, 2007
Channel estimation method for a mobile communication system
HITACHI LTD18 citations84
US7447269B2Nov 4, 2008
Method and adaptive modulation in multi-carrier communication
HITACHI LTD8 citations74
US7088696B1Aug 8, 2006
Communication apparatus
HITACHI LTD8 citations74
US6996423B2Feb 7, 2006
Portable information terminal and information transmitting method
HITACHI LTD9 citations72
US9042348B2May 26, 2015
Data transmission method for a mobile communication system
HITACHI LTD1 citations63
US7801236B2Sep 21, 2010
Adaptive modulation scheme and data rate control method
HITACHI LTD4 citations63
US7656960B2Feb 2, 2010
Adaptive modulation method and coding rate control method
HITACHI LTD2 citations63
US7095996B2Aug 22, 2006
Wireless communication system, and demodulation method and data rate control method therefor
HITACHI LTD4 citations63
US7660576B2Feb 9, 2010
Portable information terminal and information transmitting method
HITACHI LTD4 citations61
US10144131B2Dec 4, 2018
Operation monitoring server and operation monitoring system
HITACHI LTD0 citations41
US9762727B2Sep 12, 2017
Quality degradation analysis method, quality degradation analysis device, and network system
HITACHI LTD0 citations38