Inventor
HANDA TOKUHIKO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HANDA TOKUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
23 patentsUS5498507AMar 12, 1996
Optical recording media
TDK CORP147 citations97
US6452476B1Sep 17, 2002
Organic positive temperature coefficient thermistor
TDK CORP56 citations96
US5470628ANov 28, 1995
Optical recording medium
TDK CORP56 citations96
US5418030AMay 23, 1995
Optical recording medium and method for making
TDK CORP60 citations96
US6143206ANov 7, 2000
Organic positive temperature coefficient thermistor and manufacturing method therefor
TDK CORP62 citations95
US6778062B2Aug 17, 2004
Organic PTC thermistor and making method
TDK CORP29 citations92
US6607679B2Aug 19, 2003
Organic PTC thermistor
TDK CORP37 citations92
US6299801B1Oct 9, 2001
Organic positive temperature coefficient thermistor
TDK CORP35 citations92
US6090314AJul 18, 2000
Organic positive temperature coefficient thermistor
TDK CORP19 citations92
US5945034AAug 31, 1999
Organic positive temperature coefficient thermistor
TDK CORP24 citations92
US5523140AJun 4, 1996
Optical recording method and medium
TDK CORP50 citations92
US7218506B2May 15, 2007
Electrolytic capacitor and method of manufacturing the same
TDK CORP13 citations84
US6842103B2Jan 11, 2005
Organic PTC thermistor
TDK CORP15 citations83
US5982271ANov 9, 1999
Organic positive temperature coefficient thermistor
TDK CORP14 citations74
US7245479B2Jul 17, 2007
Electrolytic capacitor and method of manufacturing the same
TDK CORP5 citations73
US6558579B2May 6, 2003
Organic positive temperature coefficient thermistor and making method
TDK CORP12 citations73
US7341679B2Mar 11, 2008
Organic positive temperature coefficient thermistor and manufacturing method therefor
TDK CORP6 citations63
US7943849B2May 17, 2011
Photoelectric conversion device
TDK CORP4 citations62
US7304562B2Dec 4, 2007
Organic PTC thermistor and production
TDK CORP4 citations61
US9425482B2Aug 23, 2016
Sulfide solid electrolyte material and electrochemical device
TDK CORP0 citations51
US7241402B2Jul 10, 2007
Organic positive temperature coefficient thermistor
TDK CORP1 citations51
US7326889B2Feb 5, 2008
PTC element and production process thereof
TDK CORP0 citations50
US7414515B2Aug 19, 2008
PTC element
TDK CORP1 citations46