Inventor · disambiguated record
Richard Ru-Gin Chang
Also filed as: CHANG RICHARD R · CHANG RICHARD RU-GIN
9 granted patents·2 pending applications·1 citations·filing 2013–2023
74Inventor score
Top patents by PatentIndex Score
11 records- 0174US12148793B2High voltage semiconductor device comprising a combined junction terminal protection structure with a ferroelectric materialSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2023·Granted Nov 19, 2024·0 cites·7 claims
- 0271US11049857B2Nanosheet CMOS semiconductor device and the method of manufacturing the sameSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2019·Granted Jun 29, 2021·1 cites·24 claims
- 0361US11862674B2High voltage semiconductor device comprising a combined junction terminal protection structure with a ferroelectric material and method of making the sameSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Jan 2, 2024·0 cites·7 claims
- 0452US11677019B2IGBT device with narrow mesa and manufacture thereofSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Jun 13, 2023·0 cites·13 claims
- 0551US12094873B2SiGe HBT with graphene extrinsic base and methodsSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Sep 17, 2024·0 cites·15 claims
- 0651US11594631B2LDMOS transistor and manufacture thereofSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Feb 28, 2023·0 cites·13 claims
- 0746US11456367B2Trench gate structure and method of forming a trench gate structureSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Sep 27, 2022·0 cites·16 claims
- 0846US2021391418A1Super junction power device and method of making the sameSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Application pending·0 cites
- 0946US2022093774A1Heterojunction bipolar transistor and method of making the sameSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Application pending·0 cites
- 1044US12136647B2Super junction power device and method of making the sameSIEN QINGDAO INTEGRATED CIRCUITS CO LTD·Filed 2021·Granted Nov 5, 2024·0 cites·8 claims
- 1134US9082891B2Methods for manufacturing isolated deep trench and high-voltage LED chipENRAYTEK OPTOELECTRONICS CO·Filed 2013·Granted Jul 14, 2015·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →