Inventor
TANAKA TOSHIFUMI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
16 patentsUS6576320B2Jun 10, 2003
Optical information medium and evaluation method
TDK CORP44 citations92
US5541910AJul 30, 1996
Optical disk substrate and optical disk using the same
TDK CORP30 citations90
US5244706ASep 14, 1993
Optical recording disk
TDK CORP22 citations90
US7583058B2Sep 1, 2009
Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatus
TDK CORP15 citations84
US7158466B2Jan 2, 2007
Multilayer optical recording medium, method for recording data, and recorder
TDK CORP10 citations84
US7186438B2Mar 6, 2007
Artificial finger print liquid, testing method for optical information medium using it, and optical information medium
TDK CORP6 citations74
US5316466AMay 31, 1994
Disc molding apparatus
TDK CORP13 citations72
US5092758AMar 3, 1992
Disc molding apparatus
TDK CORP16 citations72
US7638171B2Dec 29, 2009
Artificial finger print liquid, testing method for optical information medium using it, and optical information medium
TDK CORP2 citations63
US7493801B2Feb 24, 2009
Artificial finger print liquid, testing method for optical information medium using it, and optical information medium
TDK CORP1 citations63
US7327666B2Feb 5, 2008
Optical recording medium and method of manufacturing same
TDK CORP2 citations63
US7264860B2Sep 4, 2007
Artificial finger print liquid, testing method for optical information medium using it, and optical information medium
TDK CORP2 citations63
US6680899B2Jan 20, 2004
Optical information medium
TDK CORP2 citations63
US5215798AJun 1, 1993
Optical recording medium
TDK CORP2 citations63
US5242729ASep 7, 1993
Optical recording medium
TDK CORP3 citations60
US5213862AMay 25, 1993
Optical recording disk
TDK CORP0 citations52
TANAKA TOSHIFUMI
5 patentsUS8395321B2Mar 12, 2013
Vehicle headlamp control apparatus, vehicle headlamp control system and vehicle headlamp, high intensity discharge lamp control apparatus, high intensity discharge lamp control system and vehicle headlamp
TANAKA TOSHIFUMI7 citations83
US8330374B2Dec 11, 2012
Vehicle-mounted load controller, vehicle-mounted headlight device, and vehicle-mounted taillight device
TANAKA TOSHIFUMI8 citations83
US8633659B2Jan 21, 2014
Lighting device, headlamp apparatus and vehicle using same
TANAKA TOSHIFUMI3 citations62
US8089215B2Jan 3, 2012
Discharge lamp lighting device, headlight device and vehicle having the same
TANAKA TOSHIFUMI2 citations61
US8624499B2Jan 7, 2014
Power converter and vehicle lighting device, vehicle headlight and vehicle using power converter
TANAKA TOSHIFUMI1 citations51
MATSUSHITA ELECTRIC WORKS LTD
4 patentsUS7002305B2Feb 21, 2006
Electronic ballast for a discharge lamp
MATSUSHITA ELECTRIC WORKS LTD26 citations92
US6693393B2Feb 17, 2004
Ballast for a discharge lamp
MATSUSHITA ELECTRIC WORKS LTD26 citations92
US6861812B2Mar 1, 2005
Discharge lamp ballast with DC-DC converter
MATSUSHITA ELECTRIC WORKS LTD16 citations83
US7368881B2May 6, 2008
Discharge lamp lighting apparatus and lamp system using the lighting apparatus
MATSUSHITA ELECTRIC WORKS LTD17 citations81
FUJITSU MEDIA DEVICES LTD
4 patentsUS7154360B2Dec 26, 2006
Filter using piezoelectric material
FUJITSU MEDIA DEVICES LTD7 citations70
US7462973B2Dec 9, 2008
Surface acoustic wave device
FUJITSU MEDIA DEVICES LTD2 citations59
US7372347B2May 13, 2008
Surface acoustic wave device
FUJITSU MEDIA DEVICES LTD2 citations59
US7221074B2May 22, 2007
Surface acoustic device
FUJITSU MEDIA DEVICES LTD2 citations59
PANASONIC CORP
4 patentsUS9303838B2Apr 5, 2016
Vehicle light and vehicle equipped with vehicle light
PANASONIC CORP1 citations51
US9126530B2Sep 8, 2015
Lighting device, headlight apparatus using the same, and vehicle using the same
PANASONIC CORP1 citations50
US10004116B2Jun 19, 2018
Lighting device, headlight device with the same, and vehicle
PANASONIC CORP0 citations40
US9894721B2Feb 13, 2018
Lighting device, headlight apparatus using the same, and vehicle using the same
PANASONIC CORP0 citations40
OMRON TATEISI ELECTRONICS CO
3 patentsUS5119294AJun 2, 1992
Pos terminal group management device with memory for pre-storing different collection data ranges for each pos terminal
OMRON TATEISI ELECTRONICS CO50 citations92
US4935608AJun 19, 1990
Card authorization terminal system in which one terminal transmits data to a designated other terminal
OMRON TATEISI ELECTRONICS CO35 citations92
US5128983AJul 7, 1992
Transaction processing terminal capable of loading data externally transmitted and transaction processing system including the same
OMRON TATEISI ELECTRONICS CO8 citations74