Assignee
SHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP
CN·110 granted patents·24 pending applications·140 citations·filing 2013–2023
Top patents by PatentIndex Score
134 records- 0196US11081557B2Memory and method for forming the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Aug 3, 2021·4 cites·17 claims
- 0294US11600627B2Memory and method for forming the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Mar 7, 2023·3 cites·8 claims
- 0390US10763842B1Radio frequency switching circuitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2019·Granted Sep 1, 2020·16 cites·14 claims
- 0490US8780625B2Memory arraySHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2014·Granted Jul 15, 2014·11 cites·13 claims
- 0588US11145511B1Power semiconductor device and method of fabricating the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Oct 12, 2021·2 cites·8 claims
- 0688US9761695B1Method for fabricating a shield gate trench MOSFETSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2016·Granted Sep 12, 2017·25 cites·10 claims
- 0787US9852808B2Memory testing circuit and testing method using sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Dec 26, 2017·12 cites·15 claims
- 0885US9640252B1Method of operating flash memory unitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2016·Granted May 2, 2017·7 cites·14 claims
- 0983US9843183B2ESD protection circuitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Dec 12, 2017·4 cites·8 claims
- 1083US9012996B2Silicon-on-insulator radio-frequency device and method of forming the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2013·Granted Apr 21, 2015·6 cites·2 claims
- 1182US10700174B2Split-gate flash memory, method of fabricating same and method for control thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2018·Granted Jun 30, 2020·6 cites·12 claims
- 1282US9997626B2NLDMOS device and method for manufacturing the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Jun 12, 2018·4 cites·17 claims
- 1379US10784337B2MOSFET and a method for manufacturing the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2019·Granted Sep 22, 2020·2 cites·8 claims
- 1479US9733309B2Built-in self-test circuitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Aug 15, 2017·2 cites·6 claims
- 1577US11588040B2LDMOS device and method for forming the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Feb 21, 2023·2 cites·11 claims
- 1675US10530382B2Successive approximation register analog-to-digital converter and conversion method thereforSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2018·Granted Jan 7, 2020·3 cites·15 claims
- 1775US9595310B2Circuits for control of time for read operation, using a current mirror circuit to mirror a reference current into the dummy device and generates time control signals based on the mirrored currentSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Mar 14, 2017·4 cites·7 claims
- 1873US10923564B2Super-junction structure and method for manufacturing sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2019·Granted Feb 16, 2021·2 cites·20 claims
- 1971US11171602B2RC oscillating circuitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Nov 9, 2021·1 cites·14 claims
- 2069US9543431B2Radio frequency LDMOS device and a fabrication method thereforSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Jan 10, 2017·2 cites·14 claims
- 2169US9136350B2RF LDMOS device and fabrication method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2013·Granted Sep 15, 2015·3 cites·14 claims
- 2267US10529567B2Trench gate power MOSFET and manufacturing method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2018·Granted Jan 7, 2020·2 cites·8 claims
- 2365US10686070B2Trench-gate MOSFET and method for manufacturing sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2019·Granted Jun 16, 2020·1 cites·15 claims
- 2464US10790021B2EEPROM, and methods for erasing, programming and reading the EEPROMSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2018·Granted Sep 29, 2020·2 cites·12 claims
- 2562US10409153B2Pattern sorting method used in OPC verificationSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2017·Granted Sep 10, 2019·1 cites·20 claims
- 2661US10840952B2RF switching system for 5G communications and design method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2018·Granted Nov 17, 2020·1 cites·11 claims
- 2761US9800215B2Low noise amplifierSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Oct 24, 2017·2 cites·11 claims
- 2860US9543432B2High voltage LDMOS device with an increased voltage at source (high side) and a fabricating method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Jan 10, 2017·1 cites·9 claims
- 2960US9269717B2EEPROM device and forming method and erasing method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2014·Granted Feb 23, 2016·1 cites·15 claims
- 3060US2025176290A1Photosensitive device and forming method thereforSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2023·Application pending·0 cites
- 3159US9530505B1EEPROM memory cell gate control signal generating circuitSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Dec 27, 2016·2 cites·10 claims
- 3258US9831354B2Split-gate flash memory having mirror structure and method for forming the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2015·Granted Nov 28, 2017·1 cites·6 claims
- 3358US2024105473A1Optical Annealing Apparatus And Method For Forming Semiconductor StructureSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2023·Application pending·0 cites
- 3456US10410356B2Method for processing the LEF diagram of a layoutSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2017·Granted Sep 10, 2019·1 cites·8 claims
- 3556US10347340B2Memory array and method for reading, programming and erasing the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2017·Granted Jul 9, 2019·1 cites·5 claims
- 3655US2024274658A1Super junction device and method for manufacturing the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Application pending·0 cites
- 3755US2025338514A1Deep trench capacitor and method for manufacturing the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2023·Application pending·0 cites
- 3854US12451446B2RFLDMOS device and manufacturing method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Granted Oct 21, 2025·0 cites·10 claims
- 3954US2022399356A1Photolithographic exposure method for memorySHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Application pending·0 cites
- 4053US8780624B2Memory arraySHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2014·Granted Jul 15, 2014·0 cites·13 claims
- 4152US12310069B2IGBT device and method of making the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Granted May 20, 2025·0 cites·9 claims
- 4252US10811113B2Electrically programmable fuse circuit, programming method for electrically programmable fuse, and state detection method for electrically programmable fuseSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2019·Granted Oct 20, 2020·0 cites·15 claims
- 4352US2023337425A1Memory Structure And Method For Forming The SameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2023·Application pending·0 cites
- 4451US12501641B2Shielded gate MOSFET device and manufacturing method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Granted Dec 16, 2025·0 cites·2 claims
- 4551US11456371B2Method for making LDMOS device and LDMOS deviceSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2020·Granted Sep 27, 2022·0 cites·15 claims
- 4650US9312263B2Static random access memory cell and forming method thereofSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2014·Granted Apr 12, 2016·0 cites·10 claims
- 4750US2025176185A1Sonos structure, method for programming the same and method for forming the same, and memorySHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2023·Application pending·0 cites
- 4849US12414300B2Embedded SONOS memory and method of making the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2022·Granted Sep 9, 2025·0 cites·9 claims
- 4949US11646344B2Method for making super junction deviceSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2021·Granted May 9, 2023·0 cites·17 claims
- 5049US11522063B2Shield gate trench power device and method for making the sameSHANGHAI HUAHONG GRACE SEMICONDUCTOR MFG CORP·Filed 2021·Granted Dec 6, 2022·0 cites·15 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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