Inventor · disambiguated record
Chunjer C. Cheng
Also filed as: CHENG CHUNJER C · CHENG CHUNJER CHUCK
22 granted patents·974 citations·filing 1992–2012
97Inventor score
Top patents by PatentIndex Score
22 records- 0197US8031431B1Disk drive having a top cover with anchor tabsWESTERN DIGITAL TECH INC·Filed 2009·Granted Oct 4, 2011·53 cites·23 claims
- 0297US7957095B1Disk drive having a stationary plate facing a disk and with a recirculation filter coupled to grooves in the stationary plateWESTERN DIGITAL TECH INC·Filed 2009·Granted Jun 7, 2011·49 cites·6 claims
- 0397US7593181B1Disk vibration damper having an integrated air circulation guideWESTERN DIGITAL TECH INC·Filed 2005·Granted Sep 22, 2009·58 cites·6 claims
- 0496US8432631B1Disk spindle assembly cartridgeLIN TAO·Filed 2012·Granted Apr 30, 2013·22 cites·14 claims
- 0596US7529064B1Disk drive including a balancing element with first and second cavities and a cylindrical portion disposed about a spindle motor hubWESTERN DIGITAL TECH INC·Filed 2005·Granted May 5, 2009·58 cites·19 claims
- 0696US7440234B1Disk drive including an actuator arm with a region of reduced thickness between an arm longitudinal axis and a disk axis of rotationWESTERN DIGITAL TECH INC·Filed 2006·Granted Oct 21, 2008·58 cites·12 claims
- 0796US7227725B1Head stack assembly with locking pins for retaining flex cableWESTERN DIGITAL TECH INC·Filed 2004·Granted Jun 5, 2007·69 cites·22 claims
- 0895US7064932B1Head stack and actuator arm assemblies and disk drives having an actuator including an actuator arm spacer to increase actuator and suspension stiffness and to reduce the number of actuator arm resonance modesWESTERN DIGITAL TECH INC·Filed 2002·Granted Jun 20, 2006·57 cites·35 claims
- 0994US8270118B1Head stack assembly cartridgeCHENG CHUNJER CHUCK·Filed 2009·Granted Sep 18, 2012·26 cites·13 claims
- 1094US8228631B1Disk drive having a stationary plate facing a disk and with a recirculation filter coupled to grooves in the stationary plateTSAY ALEX Y·Filed 2011·Granted Jul 24, 2012·53 cites·10 claims
- 1194US6961218B1Disk drive actuator arm assembly having one or more slotted actuator armsWESTERN DIGITAL TECH INC·Filed 2002·Granted Nov 1, 2005·53 cites·6 claims
- 1294US6710981B1Disk drive having a low inertia and narrow angle coilWESTERN DIGITAL TECH INC·Filed 2002·Granted Mar 23, 2004·51 cites·15 claims
- 1394US6288866B1Disk drive including a vibration damping system having a compressible foam and mass damper fixed adjacent to the outer surface of a printed circuit board for reducing noise and vibrationWESTERN DIGITAL TECH INC·Filed 1999·Granted Sep 11, 2001·94 cites·14 claims
- 1493US8218256B1Disk spindle assembly cartridgeLIN TAO·Filed 2009·Granted Jul 10, 2012·25 cites·12 claims
- 1592US8544164B1Method for test mounting a head stack assembly cartridgeCHENG CHUNJER CHUCK·Filed 2012·Granted Oct 1, 2013·21 cites·16 claims
- 1692US8094414B1Head gimbal assembly mounting mechanismCHENG CHUNJER C·Filed 2009·Granted Jan 10, 2012·30 cites·21 claims
- 1792US7605999B1Disk drive cover having a see-through insert including an electrically conductive materialWESTERN DIGITAL TECHNOLGIES IN·Filed 2006·Granted Oct 20, 2009·55 cites·19 claims
- 1891US8339747B1Removable actuator assemblies for testing head gimbal assemblies of a storage deviceHALES GEOFFREY A·Filed 2011·Granted Dec 25, 2012·44 cites·24 claims
- 1988US8098460B1Dual-state clamping mechanismJEN CHIH-WU·Filed 2009·Granted Jan 17, 2012·19 cites·19 claims
- 2086US6687093B1Head stack assembly shipping comb with temporary locating feature for internal head disk assembly build process and disk drive manufactured using the sameWESTERN DIGITAL TECH INC·Filed 2001·Granted Feb 3, 2004·32 cites·7 claims
- 2180US5381290ABi-stable mechanical latch for disk drive actuatorMINISTOR PERIPHERALS INTERNATI·Filed 1992·Granted Jan 10, 1995·32 cites·5 claims
- 2260US6130801AComposite disc spacer for a disc driveSEAGATE TECHNOLOGY·Filed 1998·Granted Oct 10, 2000·15 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →