Ctech Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7859824 Solid capacitor and manufacturing method thereofExpiredFeb 20, 08Dec 28, 10[H01G]
7848082 Solid capacitor and manufacturing method thereofExpiredFeb 20, 08Dec 07, 10[H01G]
7706126 Structure of supercapacitor and method for manufacturing the sameExpiredJan 26, 07Apr 27, 10[H01G]
7701697 Structure of supercapacitorExpiredOct 17, 08Apr 20, 10[H01G]
7495891 Solid capacitor and manufacturing method thereofExpiredNov 16, 05Feb 24, 09[H01G]
7457104 Solid capacitor and manufacturing method thereofExpiredFeb 20, 08Nov 25, 08[H01G]
2008/0191,672 Voltage-stabilizing circuit in power supply apparatus of automobilesAbandonedMar 08, 07Aug 14, 08[G05F]

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