Inventor
HASEGAWA TSUKASA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA TSUKASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
26 patentsUS6633724B1Oct 14, 2003
Realtime data recording method
HITACHI LTD95 citations98
US7224886B2May 29, 2007
Method of using AV devices and AV device system
HITACHI LTD76 citations97
US6243340B1Jun 5, 2001
Information recording apparatus including system control means for producing managing information for managing data recorded on an information recording medium and preventing designated data from being accessed
HITACHI LTD68 citations96
US5781731AJul 14, 1998
Schedule management support system
HITACHI LTD90 citations94
US5684970ANov 4, 1997
Icon menu display apparatus and icon menu display method
HITACHI LTD76 citations94
US5592605AJan 7, 1997
Menu picture display method and apparatus for a data processor
HITACHI LTD61 citations94
US6463022B1Oct 8, 2002
Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same
HITACHI LTD28 citations93
US6691150B1Feb 10, 2004
Information device, information device system control method, and information device system
HITACHI LTD25 citations92
US6584272B1Jun 24, 2003
Data recording apparatus
HITACHI LTD51 citations92
US6487589B1Nov 26, 2002
Information device, information device system control method, and information device system
HITACHI LTD21 citations92
US6392968B1May 21, 2002
Method for reproducing data including judging whether seamless reproduction of the data is possible
HITACHI LTD44 citations92
US6131111AOct 10, 2000
Information device information device system control method, and information device system
HITACHI LTD29 citations92
US5864808AJan 26, 1999
Erroneous input processing method and apparatus in information processing system using composite input
HITACHI LTD48 citations92
US7003606B2Feb 21, 2006
Electronic device, method for using electronic device, and electronic device system for reserving bus usage time on a bus to conduct communications between electronic devices
HITACHI LTD43 citations91
US6757765B1Jun 29, 2004
Electronic device, method for using electronic device, and electronic device system for reserving bus usage time on a bus to conduct communications between electronic devices
HITACHI LTD24 citations91
US5432899AJul 11, 1995
Method for managing resources and information processing system
HITACHI LTD33 citations91
US6856254B1Feb 15, 2005
Electronic device, electronic device system control method and electronic device system
HITACHI LTD12 citations84
US6788346B2Sep 7, 2004
Camera information recording apparatus for recording image data in an optical disk wherein managing information is stored when the residual storage of a battery decreases
HITACHI LTD8 citations74
US6697563B1Feb 24, 2004
Information recording medium, motion-picture voice recording/reproducing apparatus, and motion-picture voice recording/reproducing method
HITACHI LTD11 citations73
US5687221ANov 11, 1997
Information processing apparatus having speech and non-speech communication functions
HITACHI LTD17 citations72
US7133599B2Nov 7, 2006
Realtime data recording method
HITACHI LTD3 citations63
US6347068B2Feb 12, 2002
Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same
HITACHI LTD2 citations63
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
US7577417B2Aug 18, 2009
Mobile terminal
HITACHI LTD0 citations39