Inventor · disambiguated record
Charvaka Duvvury
Also filed as: DUVVURY CHARVAKA
74 granted patents·4 pending applications·1,927 citations·filing 1984–2017
99Inventor score
Top patents by PatentIndex Score
78 records- 0195US4855620AOutput buffer with improved ESD protectionTEXAS INSTRUMENTS INC·Filed 1987·Granted Aug 8, 1989·104 cites·14 claims
- 0292US4896243AEfficient ESD input protection schemeTEXAS INSTRUMENTS INC·Filed 1988·Granted Jan 23, 1990·73 cites·12 claims
- 0391US7838924B2MOS device with substrate potential elevationTEXAS INSTRUMENTS INC·Filed 2008·Granted Nov 23, 2010·17 cites·9 claims
- 0491US6858902B1Efficient ESD protection with application for low capacitance I/O padsTEXAS INSTRUMENTS INC·Filed 2003·Granted Feb 22, 2005·58 cites·19 claims
- 0590US6690066B1Minimization and linearization of ESD parasitic capacitance in integrated circuitsTEXAS INSTRUMENTS INC·Filed 2002·Granted Feb 10, 2004·51 cites·12 claims
- 0690US6624487B1Drain-extended MOS ESD protection structureTEXAS INSTRUMENTS INC·Filed 2002·Granted Sep 23, 2003·57 cites·18 claims
- 0789US6040968AEOS/ESD protection for high density integrated circuitsTEXAS INSTRUMENTS INC·Filed 1998·Granted Mar 21, 2000·82 cites·29 claims
- 0889US5940258ASemiconductor ESD protection circuitTEXAS INSTRUMENTS INC·Filed 1997·Granted Aug 17, 1999·68 cites·18 claims
- 0987US6064249ALateral DMOS design for ESD protectionTEXAS INSTRUMENTS INC·Filed 1998·Granted May 16, 2000·89 cites·17 claims
- 1087US5907462AGate coupled SCR for ESD protection circuitsTEXAS INSTRUMENTS INC·Filed 1994·Granted May 25, 1999·68 cites·20 claims
- 1184US7282767B2Guardwall structures for ESD protectionTEXAS INSTRUMENTS INC·Filed 2005·Granted Oct 16, 2007·10 cites·13 claims
- 1284US6804095B2Drain-extended MOS ESD protection structureTEXAS INSTRUMENTS INC·Filed 2003·Granted Oct 12, 2004·34 cites·3 claims
- 1384US6365940B1High voltage trigger remote-cathode SCRTEXAS INSTRUMENTS INC·Filed 2000·Granted Apr 2, 2002·36 cites·16 claims
- 1483US5502317ASilicon controlled rectifier and method for forming the sameTEXAS INSTRUMENTS INC·Filed 1994·Granted Mar 26, 1996·47 cites·12 claims
- 1582US6125021ASemiconductor ESD protection circuitTEXAS INSTRUMENTS INC·Filed 1997·Granted Sep 26, 2000·52 cites·16 claims
- 1681US6826026B2Output buffer and I/O protection circuit for CMOS technologyTEXAS INSTRUMENTS INC·Filed 2002·Granted Nov 30, 2004·29 cites·13 claims
- 1781US5369041AMethod for forming a silicon controlled rectifierTEXAS INSTRUMENTS INC·Filed 1993·Granted Nov 29, 1994·41 cites·10 claims
- 1880US6493850B2Integrated circuit design error detector for electrostatic discharge and latch-up applicationsTEXAS INSTRUMENTS INC·Filed 2001·Granted Dec 10, 2002·42 cites·10 claims
- 1980US6071768AMethod of making an efficient NPN turn-on in a high voltage DENMOS transistor for ESD protectionTEXAS INSTRUMENTS INC·Filed 1997·Granted Jun 6, 2000·46 cites·17 claims
- 2079US7872841B2In package ESD protections of IC using a thin film polymerTEXAS INSTRUMENTS INC·Filed 2008·Granted Jan 18, 2011·8 cites·20 claims
- 2179US7348643B2Semiconductor dual guardring arrangementTEXAS INSTRUMENTS INC·Filed 2006·Granted Mar 25, 2008·8 cites·20 claims
- 2278US6462380B1ESD protection circuit for advanced technologiesTEXAS INSTRUMENTS INC·Filed 2000·Granted Oct 8, 2002·25 cites·21 claims
- 2378US5493133APNP punchthrough-assisted protection device for special applications in CMOS technologiesTEXAS INSTRUMENTS INC·Filed 1995·Granted Feb 20, 1996·42 cites·12 claims
- 2477US6764892B2Device and method of low voltage SCR protection for high voltage failsafe ESD applicationsTEXAS INSTRUMENTS INC·Filed 2003·Granted Jul 20, 2004·23 cites·18 claims
- 2577US5982217APNP driven NMOS ESD protection circuitTEXAS INSTRUMENTS INC·Filed 1998·Granted Nov 9, 1999·42 cites·17 claims
- 2677US5903032APower device integration for built-in ESD robustnessTEXAS INSTRUMENTS INC·Filed 1997·Granted May 11, 1999·40 cites·19 claims
- 2777US5404041ASource contact placement for efficient ESD/EOS protection in grounded substrate MOS integrated circuitTEXAS INSTRUMENTS INC·Filed 1993·Granted Apr 4, 1995·34 cites·13 claims
- 2877US4627033ASense amplifier with reduced instantaneous powerTEXAS INSTRUMENTS INC·Filed 1984·Granted Dec 2, 1986·25 cites·13 claims
- 2976US5450267AESD/EOS protection circuits for integrated circuitsTEXAS INSTRUMENTS INC·Filed 1993·Granted Sep 12, 1995·36 cites·27 claims
- 3076US4608670ACMOS sense amplifier with N-channel sensingTEXAS INSTRUMENTS INC·Filed 1984·Granted Aug 26, 1986·24 cites·15 claims
- 3174US6249413B1Semiconductor ESD protection circuitTEXAS INSTRUMENTS INC·Filed 1999·Granted Jun 19, 2001·28 cites·3 claims
- 3274US6137338ALow resistance input protection circuitTEXAS INSTRUMENTS INC·Filed 1999·Granted Oct 24, 2000·40 cites·20 claims
- 3374US5814865ABimodal ESD protection for DRAM power supplies and SCRs for DRAMs and logic circuitsTEXAS INSTRUMENTS INC·Filed 1996·Granted Sep 29, 1998·36 cites·5 claims
- 3474US5468667AMethod of placing source contacts for efficient ESD/EOS protection in grounded substrate MOS integrated circuitTEXAS INSTRUMENTS INC·Filed 1994·Granted Nov 21, 1995·29 cites·6 claims
- 3574US5343433ACMOS sense amplifierTEXAS INSTRUMENTS INC·Filed 1990·Granted Aug 30, 1994·36 cites·12 claims
- 3673US8755158B2ESD protection system optimized at board levelTEXAS INSTRUMENTS INC·Filed 2012·Granted Jun 17, 2014·4 cites·10 claims
- 3773US7667243B2Local ESD protection for low-capicitance applicationsTEXAS INSTRUMENTS INC·Filed 2007·Granted Feb 23, 2010·4 cites·6 claims
- 3873US7595968B2Circuit to reduce internal ESD stress on device having multiple power supply domainsTEXAS INSTRUMENTS INC·Filed 2007·Granted Sep 29, 2009·5 cites·13 claims
- 3972US7145204B2Guardwall structures for ESD protectionTEXAS INSTRUMENTS INC·Filed 2005·Granted Dec 5, 2006·4 cites·8 claims
- 4072US5127739ACMOS sense amplifier with bit line isolationTEXAS INSTRUMENTS INC·Filed 1990·Granted Jul 7, 1992·34 cites·2 claims
- 4171US7280330B2ESD protection for RF power amplifier circuitsTEXAS INSTRUMENTS INC·Filed 2004·Granted Oct 9, 2007·16 cites·22 claims
- 4270US6576959B2Device and method of low voltage SCR protection for high voltage failsafe ESD applicationsTEXAS INSTRUMENTS INC·Filed 2001·Granted Jun 10, 2003·15 cites·16 claims
- 4369US7746608B2Methodology to guard ESD protection circuits against precharge effectsTEXAS INSTRUMENTS INC·Filed 2006·Granted Jun 29, 2010·4 cites·3 claims
- 4469US7212387B2Electrostatic discharge protection device including precharge reductionTEXAS INSTRUMENTS INC·Filed 2004·Granted May 1, 2007·13 cites·10 claims
- 4568US5986867AProtection circuit for output driversTEXAS INSTRUMENTS INC·Filed 1998·Granted Nov 16, 1999·26 cites·16 claims
- 4667US8829618B2ESD protection using diode-isolated gate-grounded NMOS with diode stringPOK PONNARITH·Filed 2011·Granted Sep 9, 2014·3 cites·9 claims
- 4766US6667865B2Efficient design of substrate triggered ESD protection circuitsTEXAS INSTRUMENTS INC·Filed 2001·Granted Dec 23, 2003·12 cites·15 claims
- 4865US6933741B2Electrostatic discharge testers for undistorted human-body-model and machine-model characteristicsTEXAS INSTRUMENTS INC·Filed 2004·Granted Aug 23, 2005·11 cites·13 claims
- 4965US6833568B2Geometry-controllable design blocks of MOS transistors for improved ESD protectionTEXAS INSTRUMENTS INC·Filed 2003·Granted Dec 21, 2004·12 cites·10 claims
- 5063US6078083AESD protection circuit for dual 3V/5V supply devices using single thickness gate oxidesTEXAS INSTRUMENTS INC·Filed 1995·Granted Jun 20, 2000·23 cites·6 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →