Assignee
RICHTEK TECHNOLOGY CORP ROC
TW·7 granted patents·4 pending applications·44 citations·filing 2005–2011
Top patents by PatentIndex Score
11 records- 0184US8026676B2Dimming control circuitRICHTEK TECHNOLOGY CORP ROC·Filed 2008·Granted Sep 27, 2011·11 cites·20 claims
- 0284US7728529B2LED driver using a depletion mode transistor to serve as a current sourceRICHTEK TECHNOLOGY CORP ROC·Filed 2005·Granted Jun 1, 2010·11 cites·10 claims
- 0370US7728628B2Level shift circuit and method for the sameRICHTEK TECHNOLOGY CORP ROC·Filed 2008·Granted Jun 1, 2010·7 cites·13 claims
- 0470US7728571B2Load-dependent frequency jittering circuit and load-dependent frequency jittering methodRICHTEK TECHNOLOGY CORP ROC·Filed 2007·Granted Jun 1, 2010·6 cites·20 claims
- 0567US8049462B2Universal serial bus charger circuit and charging methodRICHTEK TECHNOLOGY CORP ROC·Filed 2008·Granted Nov 1, 2011·7 cites·12 claims
- 0663US7943994B2Integrated PMOS transistor and Schottky diodeRICHTEK TECHNOLOGY CORP ROC·Filed 2009·Granted May 17, 2011·2 cites·8 claims
- 0752US8369443B2Single-wire asynchronous serial interfaceRICHTEK TECHNOLOGY CORP ROC·Filed 2011·Granted Feb 5, 2013·0 cites·2 claims
- 0842US2013015822A1Multi-Purpose Power Management Apparatus, Power Path Control Circuit and Control Method ThereforRICHTEK TECHNOLOGY CORP ROC·Filed 2011·Application pending·0 cites
- 0940US2010271738A1Circuit for electric over stress immunityRICHTEK TECHNOLOGY CORP ROC·Filed 2009·Application pending·0 cites
- 1038US2011156685A1Constant time buck-boost switching regulator and control circuit and method for the sameRICHTEK TECHNOLOGY CORP ROC·Filed 2009·Application pending·0 cites
- 1136US2011018514A1Dual-mode buck switching regulator and control circuit thereforRICHTEK TECHNOLOGY CORP ROC·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when RICHTEK TECHNOLOGY CORP ROC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →