Theodore Yu has been granted 4 US patents while listed as an inventor at Apple . The first was granted in 2017 and the most recent in January 2025. Theodore Yu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Theodore Yu in San Jose, CA, US.
Patents per Year Patents granted per year, 2017 to 2025 Bar chart with a peak of 1 patents in 2017. peak 1 2017: 1 patents 2017 2018: 1 patents 2018 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12197694 Correcting for emitted light wavelength variation in blood-oxygen saturation measurements at wearable electronic device Ravi K. Shaga , Paul D. Mannheimer 2025-01-14
11723563 Correcting for emitted light wavelength variation in blood-oxygen saturation measurements at wearable electronic device Ravi K. Shaga , Paul D. Mannheimer 2023-08-15
$190,320,000
10148312 Circuit and method to reduce fundamental and modulation spurs with spread spectrum Yogesh Kumar Ramadass 2018-12-04
$33,002,000
9680375 Switching mode power supply with adaptively randomized spread spectrum Ali Motamedi , Dingkun Du , Sombuddha Chakraborty , Patrick Michael Teterud , Keith Thomas Sanders, Jr. 2017-06-13
$16,333,000
