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RUBYCON CORP
JP31 patents
Top patents by PatentIndex Score
US6882519B2Apr 19, 2005
Flat aluminum electrolytic capacitor and method of manufacturing the same
RUBYCON CORP51 citations92
US6349028B1Feb 19, 2002
Electrolytic capacitor
RUBYCON CORP30 citations92
US6288889B1Sep 11, 2001
Electrolytic solution for electrolytic capacitor and electrolytic capacitor using the same
RUBYCON CORP27 citations91
US6285543B1Sep 4, 2001
Electrolytic solution for use in electrolytic capacitor and electrolytic capacitor
RUBYCON CORP25 citations91
US6919240B2Jul 19, 2005
Flat aluminum electrolytic capacitor and method of manufacturing the same
RUBYCON CORP18 citations89
US7279117B2Oct 9, 2007
Electrolytic capacitor and electrolyte solution for use in an electrolytic capacitor
RUBYCON CORP13 citations82
US11908632B2Feb 20, 2024
Solid electrolytic capacitor with small equivalent series resistance and method for manufacturing the same
RUBYCON CORP2 citations71
US12500041B2Dec 16, 2025
Electrolytic capacitor
RUBYCON CORP0 citations61
US7667953B2Feb 23, 2010
Electrolytic capacitor
RUBYCON CORP4 citations61
US12217917B2Feb 4, 2025
Solid electrolytic capacitor with small equivalent series resistance and method for manufacturing the same
RUBYCON CORP0 citations60
US7660101B2Feb 9, 2010
Electrolytic capacitor and electrolyte solution for use in an electrolytic capacitor
RUBYCON CORP3 citations60
US12586723B2Mar 24, 2026
Thin film high polymer laminated capacitor
RUBYCON CORP0 citations58
US11854748B2Dec 26, 2023
Thin film high polymer laminated capacitor manufacturing method
RUBYCON CORP0 citations58
US12176156B2Dec 24, 2024
Electrolytic capacitor for high withstand voltage
RUBYCON CORP0 citations56
US7504780B2Mar 17, 2009
Power supply unit for light source and method of controlling the same
RUBYCON CORP5 citations56
US7539006B2May 26, 2009
Electrolytic solution for driving electrolytic capacitor and electrolytic capacitor
RUBYCON CORP2 citations51
US12456587B2Oct 28, 2025
Solid electrolytic capacitor including electrolytic solution containing acid and amine, and method for manufacturing same
RUBYCON CORP0 citations48
US12437935B2Oct 7, 2025
Solid electrolytic capacitor containing oxygen-containing amine without hydroxy group and method for manufacturing same
RUBYCON CORP0 citations48
US12586720B2Mar 24, 2026
Capacitor and method for manufacturing same
RUBYCON CORP0 citations46
US12494324B2Dec 9, 2025
Capacitor and method for manufacturing same
RUBYCON CORP0 citations46
US9006585B2Apr 14, 2015
Device for surface mounting and capacitor element
RUBYCON CORP0 citations45
US7317286B2Jan 8, 2008
Power supply apparatus for discharge lamp and control method for the same
RUBYCON CORP2 citations44
US12456584B2Oct 28, 2025
Thin film polymer laminated capacitor and manufacturing method therefor
RUBYCON CORP0 citations43
US9978527B2May 22, 2018
Solid Electrolytic capacitor and manufacturing method thereof
RUBYCON CORP0 citations39
US12597563B2Apr 7, 2026
Capacitor and method for manufacturing the same
RUBYCON CORP0 citations38
US12463298B2Nov 4, 2025
Electrical storage device
RUBYCON CORP0 citations38
US10210997B2Feb 19, 2019
Solid electrolytic capacitor and manufacturing method thereof
RUBYCON CORP0 citations38
US9799456B2Oct 24, 2017
Solid electrolyte capacitor
RUBYCON CORP0 citations34
US9786439B2Oct 10, 2017
Solid electrolyte capacitor and housing for solid electrolyte capacitor
RUBYCON CORP0 citations34
US9576742B2Feb 21, 2017
Solid electrolyte capacitor and manufacturing method for same
RUBYCON CORP0 citations32
US9947477B2Apr 17, 2018
Method of manufacturing thin-film polymer multi-layer capacitor and thin-film polymer multi-layer capacitor
RUBYCON CORP0 citations28