Inventor
HOSOKAWA KYOICHI
JP60 patents
⚠️ This page may combine multiple inventors who share the name “HOSOKAWA KYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
33 patentsUS6163644ADec 19, 2000
Method and apparatus for receiving and/or reproducing digital signal
HITACHI LTD103 citations99
US6249532B1Jun 19, 2001
Interactive chargeable communication system with billing system therefor
HITACHI LTD101 citations97
US6041161AMar 21, 2000
Input-output circuit, recording apparatus and reproduction apparatus for digital video signal
HITACHI LTD50 citations96
US5878010AMar 2, 1999
Method and apparatus for recording digital signal
HITACHI LTD41 citations96
US6002694ADec 14, 1999
Interactive chargeable communication system with billing system therefor
HITACHI LTD77 citations95
US6600870B1Jul 29, 2003
Input-output circuit, recording apparatus and reproduction apparatus for digital video signal
HITACHI LTD23 citations93
US6321025B1Nov 20, 2001
Method and apparatus for receiving and/or reproducing digital signal
HITACHI LTD19 citations93
US6201654B1Mar 13, 2001
Method and apparatus for recording digital signal
HITACHI LTD24 citations93
US5875279AFeb 23, 1999
Subscriber terminal of an interactive communication system and control device thereof
HITACHI LTD29 citations93
US5337199AAug 9, 1994
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD35 citations93
US6363210B1Mar 26, 2002
Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal
HITACHI LTD25 citations92
US5903704AMay 11, 1999
Apparatus for selectively recording and reproducing received analog and digital signals
HITACHI LTD26 citations92
US7319808B2Jan 15, 2008
Input-output circuit, recording apparatus and reproduction apparatus for digital video signal
HITACHI LTD6 citations74
US6757478B2Jun 29, 2004
Method and apparatus for receiving a digital signal and apparatus for recording and reproducing the digital signal
HITACHI LTD5 citations74
US6324025B1Nov 27, 2001
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD2 citations74
US6069757AMay 30, 2000
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD2 citations74
US6046872AApr 4, 2000
Method and apparatus for recording digital signal
HITACHI LTD6 citations74
US6002536ADec 14, 1999
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD2 citations74
US5671095ASep 23, 1997
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD6 citations74
US5530598AJun 25, 1996
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD8 citations74
US5517368AMay 14, 1996
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD8 citations74
US5243422ASep 7, 1993
Field converting method for television signals and device for realizing same
HITACHI LTD11 citations72
US6847781B1Jan 25, 2005
Digital signal recording apparatus and recording medium
HITACHI LTD10 citations71
US5459585AOct 17, 1995
Apparatus and method of storing image signals
HITACHI LTD11 citations71
US5497237AMar 5, 1996
Method of converting a field of a regenerative signal a VTR and apparatus employing the same
HITACHI LTD12 citations70
US7286310B2Oct 23, 2007
Apparatus for receiving compressed digital information
HITACHI LTD0 citations63
US7259926B2Aug 21, 2007
Digital information recording/reproducing apparatus
HITACHI LTD1 citations63
US7012769B2Mar 14, 2006
Digital information recording/reproducing apparatus
HITACHI LTD0 citations63
US6430362B1Aug 6, 2002
Digital video signal recording/reproducing method and apparatus
HITACHI LTD4 citations63
US6278564B1Aug 21, 2001
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD1 citations63
US5862004AJan 19, 1999
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD2 citations63
US5699203ADec 16, 1997
Digital transmission signal processing system and recording reproducing system
HITACHI LTD1 citations63
US5673154ASep 30, 1997
Digital transmission signal processing system and recording/reproducing system
HITACHI LTD3 citations63
RENESAS TECH CORP
6 patentsUS7514908B2Apr 7, 2009
Switching power supply device and a semiconductor integrated circuit
RENESAS TECH CORP40 citations96
US7158392B2Jan 2, 2007
Switching power supply device and the semiconductor integrated circuit for power supply control
RENESAS TECH CORP55 citations96
US7245116B2Jul 17, 2007
Power supply device and switching power supply device
RENESAS TECH CORP37 citations92
US7166992B2Jan 23, 2007
Electronic component for power supply and a power supply device
RENESAS TECH CORP27 citations92
US7342391B2Mar 11, 2008
Power supply device and switching power supply device
RENESAS TECH CORP10 citations83
US7550959B2Jun 23, 2009
Power supply device and switching power supply device
RENESAS TECH CORP2 citations62
HITACHI CONSUMER ELECTRONICS
5 patentsUS8009375B2Aug 30, 2011
Apparatus and method for receiving and recording digital information
HITACHI CONSUMER ELECTRONICS0 citations63
US7952823B2May 31, 2011
Method for transmitting digital audio and video information
HITACHI CONSUMER ELECTRONICS0 citations63
US7859777B2Dec 28, 2010
Method and apparatus for transmitting and receiving digital video and audio information
HITACHI CONSUMER ELECTRONICS0 citations52
US7844986B2Nov 30, 2010
Method and apparatus for receiving a digital signal and apparatus for recording and reproducing the digital signal
HITACHI CONSUMER ELECTRONICS0 citations52
US7808733B2Oct 5, 2010
Method and apparatus for transmitting and receiving digital video and audio information
HITACHI CONSUMER ELECTRONICS0 citations52
HOSOKAWA KYOICHI
2 patentsRENESAS ELECTRONICS CORP
2 patentsOKAMOTO HIROO
1 patentOWASHI HITOAKI
1 patentShowing the top 50 of 60 patents by PatentIndex Score.