Inventor
KITAGAWA SUMIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KITAGAWA SUMIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
14 patentsUS7097917B1Aug 29, 2006
Compounds for use in organic EL devices and organic EL devices
TDK CORP35 citations92
US6168843B1Jan 2, 2001
Optical recording medium
TDK CORP38 citations92
US6071672AJun 6, 2000
Photo-stabilized cyanine dyes and optical recording media
TDK CORP45 citations92
US5574715ANov 12, 1996
Optical recording medium
TDK CORP19 citations92
US5776656AJul 7, 1998
Optical recording medium
TDK CORP41 citations91
US5858613AJan 12, 1999
Optical recording medium
TDK CORP18 citations84
US5679430AOct 21, 1997
Optical recording medium
TDK CORP14 citations74
US5154958AOct 13, 1992
Optical recording medium
TDK CORP10 citations73
US6017604AJan 25, 2000
Optical recording medium
TDK CORP3 citations62
US5569504AOct 29, 1996
Optical recording medium
TDK CORP2 citations62
US10948395B2Mar 16, 2021
Biosensor and biochip
TDK CORP0 citations48
US10799864B2Oct 13, 2020
Chemical sensor
TDK CORP0 citations48
US10799863B2Oct 13, 2020
Chemical sensor
TDK CORP0 citations48
US10801993B2Oct 13, 2020
Chemical sensor
TDK CORP0 citations48