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USPTO Patent Rankings Data through Dec 31, 2025
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Derek Park-Shing Young — 9 Patents

Apple: 5 patents #5,490 of 18,612Top 30%
Cupertino, CA: #1,765 of 6,989 inventorsTop 30%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Derek Park-Shing Young has been granted 9 US patents while listed as an inventor at Apple. The first was granted in 2019 and the most recent in February 2025. Derek Park-Shing Young ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Derek Park-Shing Young in Cupertino, CA, US.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 4 patents in 2020.peak 42019: 1 patents20192020: 4 patents20202021: 1 patents20212022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12220213 Blood pressure monitoring using a multi-function wrist-worn device Erno H. Klaassen, Wren N. Dougherty, Richard C. Kimoto, Ravi Narasimhan, Thomas J. Sullivan +4 more 2025-02-11
11918324 Electrical coupling of pulse transit time (PTT) measurement system to heart for blood pressure measurement Thomas J. Sullivan, Wren N. Dougherty, Richard C. Kimoto, Erno H. Klaassen, Ravi Narasimhan +4 more 2024-03-05 $135,445,000
11504013 Systems and methods for blood pressure measurements Alexander Chan, German A. Alvarez, Joseph R. Lee, Manda Paul, Santiago Quijano 2022-11-22 $281,216,000
10881307 Devices and systems for correcting errors in blood pressure measurements Thomas J. Sullivan, Ravi Narasimhan, Rui Qiao, Robert Keith Montgomery, Mohsen MOLLAZADEH +3 more 2021-01-05 $299,526,000
10849555 Devices and systems for correcting errors in blood pressure measurements Thomas J. Sullivan, Ravi Narasimhan, Rui Qiao, Robert Keith Montgomery, Mohsen MOLLAZADEH +3 more 2020-12-01 $185,955,000
10779738 Electrical coupling of pulse transit time (PTT) measurement system to heart for blood pressure measurement Thomas J. Sullivan, Wren N. Dougherty, Richard C. Kimoto, Erno H. Klaassen, Ravi Narasimhan +4 more 2020-09-22
10772512 Blood pressure monitoring using a multi-function wrist-worn device Erno H. Klaassen, Wren N. Dougherty, Richard C. Kimoto, Ravi Narasimhan, Thomas J. Sullivan +4 more 2020-09-15
10702171 Systems, devices, and methods for measuring blood pressure of a user Ravi Narasimhan, Zijing Zeng, Richard C. Kimoto, Erno H. Klaassen, Thomas J. Sullivan +1 more 2020-07-07
10517489 Wrist worn accelerometer for pulse transit time (PTT) measurements of blood pressure Ravi Narasimhan, Richard C. Kimoto, Thomas J. Sullivan, Todd K. Whitehurst, Zijing Zeng +1 more 2019-12-31

Frequent Collaborators

Richard C. Kimoto8 shared
Ravi Narasimhan8 shared
Thomas J. Sullivan8 shared
Zijing Zeng8 shared
Erno H. Klaassen6 shared
Todd K. Whitehurst6 shared

Nearby-Ranked Inventors

Scott Luro9
Kunpeng Zhu9
LuLu Chen9
Chun-Ta Liu9
Shoham Levy9
Min Wook Lee9
Aaron D. Kovar9
Pradeepkumar Ashok9
Ok Chae Kim9