Inventor
AKAMATSU CHIYO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “AKAMATSU CHIYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5867110AFeb 2, 1999
Information reporting system
HITACHI LTD354 citations98
US7224886B2May 29, 2007
Method of using AV devices and AV device system
HITACHI LTD76 citations97
US7257132B1Aug 14, 2007
Receiver set, information apparatus and receiving system
HITACHI LTD19 citations92
US6691150B1Feb 10, 2004
Information device, information device system control method, and information device system
HITACHI LTD25 citations92
US6487589B1Nov 26, 2002
Information device, information device system control method, and information device system
HITACHI LTD21 citations92
US6131111AOct 10, 2000
Information device information device system control method, and information device system
HITACHI LTD29 citations92
US5867281AFeb 2, 1999
Electronic mail system and method
HITACHI LTD41 citations91
US7333717B2Feb 19, 2008
Method of using AV devices and AV device system
HITACHI LTD2 citations62
US6728765B2Apr 27, 2004
Information device, information device system control method, and information device system
HITACHI LTD3 citations62
US7136910B2Nov 14, 2006
Information device, information device system control method, and information device system
HITACHI LTD1 citations51
AKAMATSU CHIYO
3 patentsUS8233504B2Jul 31, 2012
Receiver set, information apparatus and receiving system
AKAMATSU CHIYO1 citations60
US8856819B2Oct 7, 2014
Receiver set, information apparatus and receiving system
AKAMATSU CHIYO0 citations49
US8326129B2Dec 4, 2012
Method of using AV devices and AV device system
AKAMATSU CHIYO0 citations49