Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DF

David Fenwick — 53 Patents

Applied Materials: 19 patents #703 of 7,310Top 10%
HP: 15 patents #1,149 of 16,619Top 7%
DEDigital Equipment: 14 patents #34 of 2,100Top 2%
CCCompaq Computer: 3 patents #362 of 1,604Top 25%
Apple: 1 patents #12,397 of 18,612Top 70%
Los Altos, CA: #179 of 3,651 inventorsTop 5%
California: #7,278 of 386,348 inventorsTop 2%
Overall (All Time): #48,528 of 4,157,543Top 2%
53 Patents All Time
David Fenwick has been granted 53 US patents while listed as an inventor at Applied Materials. The first was granted in 1987 and the most recent in December 2025. David Fenwick ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list David Fenwick in Los Altos, CA, US.

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12492464 Protective metal oxy-fluoride coatings Chengtsin Lee, Jennifer Y. Sun, Yi-song Chen 2025-12-09
12351910 Hafnium aluminum oxide coatings deposited by atomic layer deposition Jennifer Y. Sun, Cheng-Hsuan Chou, Xiao-Ming He 2025-07-08
12104246 Atomic layer deposition of protective coatings for semiconductor process chamber components Jennifer Y. Sun 2024-10-01 $68,865,000
12004337 Ultrathin conformal coatings for electrostatic dissipation in semiconductor process tools Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, Xiaoming He +6 more 2024-06-04 $68,807,000
12002657 Multi-layer plasma resistant coating by atomic layer deposition Xiaowei Wu, Jennifer Y. Sun, Guodong Zhan 2024-06-04 $68,807,000
11667577 Y2O3—ZrO2 erosion resistant material for chamber components in plasma environments Jennifer Y. Sun 2023-06-06 $40,761,000
11572617 Protective metal oxy-fluoride coatings Chengtsin Lee, Jennifer Y. Sun, Yikai Chen 2023-02-07 $44,390,000
11547030 Ultrathin conformal coatings for electrostatic dissipation in semiconductor process tools Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, Xiaoming He +6 more 2023-01-03 $39,123,000
11540432 Ultrathin conformal coatings for electrostatic dissipation in semiconductor process tools Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, Xiaoming He +6 more 2022-12-27 $54,393,000
11326253 Atomic layer deposition of protective coatings for semiconductor process chamber components Jennifer Y. Sun 2022-05-10 $45,778,000
11251023 Multi-layer plasma resistant coating by atomic layer deposition Xiaowei Wu, Jennifer Y. Sun, Guodong Zhan 2022-02-15 $65,265,000
11198937 Atomic layer deposition of protective coatings for semiconductor process chamber components Jennifer Y. Sun 2021-12-14 $102,368,000
11198936 Atomic layer deposition of protective coatings for semiconductor process chamber components Jennifer Y. Sun 2021-12-14 $102,368,000
11014853 Y2O3—ZrO2 erosion resistant material for chamber components in plasma environments Jennifer Y. Sun 2021-05-25 $67,143,000
11008653 Multi-layer coating with diffusion barrier layer and erosion resistant layer Xiaowei Wu, Jennifer Y. Sun 2021-05-18 $51,490,000
10573497 Multi-layer plasma resistant coating by atomic layer deposition Xiaowei Wu, Jennifer Y. Sun, Guodong Zhan 2020-02-25 $22,337,000
10563303 Metal oxy-flouride films based on oxidation of metal flourides Xiaowei Wu, Guodong Zhan, Jennifer Y. Sun, Michael R. Rice 2020-02-18 $26,722,000
10443125 Flourination process to create sacrificial oxy-flouride layer Xiaowei Wu, Guodong Zhan, Jennifer Y. Sun, Michael R. Rice 2019-10-15 $25,920,000
10186400 Multi-layer plasma resistant coating by atomic layer deposition Xiaowei Wu, Jennifer Y. Sun, Guodong Zhan 2019-01-22 $28,931,000
9142938 Apparatus and method of establishing optical communication channels between a steerable array of laser emitters and an array of optical detectors Terrel Morris, Richard John Luebs, Duane A. Wegher, Jeffry D. Yetter 2015-09-22 $5,490,000
8059927 Optical connections and methods of forming optical connections Richard John Luebs, Terrel Morris, Duane A. Wegher, Jeffrey D. Yetter 2011-11-15 $11,189,000
7874739 Optical connections and methods of forming optical connections Richard John Luebs, Terrel Morris, Duane A. Wegher, Jeffrey D. Yetter 2011-01-25 $16,732,000
7813613 Optical connections and methods of forming optical connections Richard John Luebs, Terrel Morris, Duane A. Wegher, Jeffrey D. Yetter 2010-10-12 $15,317,000
7809278 Apparatus and method of providing separate control and data channels between arrays of light emitters and detectors for optical communication and alignment Terrel Morris, Richard John Luebs, Duane A. Wegher, Jeffrey D. Yatter 2010-10-05 $13,473,000
7693362 Optical connections and methods of forming optical connections Richard John Luebs, Terrel Morris, Duane A. Wegher, Jeffrey D. Yetter 2010-04-06 $10,078,000