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USPTO Patent Rankings Data through Dec 31, 2025
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William Yu — 17 Patents

PDPine Development: 6 patents #1 of 2Top 50%
INInventec: 3 patents #194 of 1,270Top 20%
BABayspec: 1 patents #13 of 36Top 40%
Mountain View, CA: #1,283 of 11,022 inventorsTop 15%
California: #35,467 of 386,348 inventorsTop 10%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
William Yu has been granted 17 US patents while listed as an inventor at Pine Development. The first was granted in 1999 and the most recent in May 2019. William Yu ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list William Yu in Mountain View, CA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10295823 Systems and methods for eliciting cutaneous sensations using electromagnetic radiation Alexander A. Brownell 2019-05-21
10037661 Applications of systems and methods for eliciting cutaneous sensations by electromagnetic radiation Alexander A. Brownell 2018-07-31
9696804 Systems and methods for eliciting cutaneous sensations by electromagnetic radiation Alexander A. Brownell 2017-07-04
9449477 Applications of systems and methods for eliciting cutaneous sensations by electromagnetic radiation Alexander A. Brownell 2016-09-20
9257021 Systems and methods for optically induced cutaneous sensation Alexander A. Brownell 2016-02-09
8574280 Systems and methods for eliciting cutaneous sensations by electromagnetic radiation Alexander A. Brownell 2013-11-05
7520072 Exit signs with and without emergency lighting — 2009-04-21
7256539 Eccentric planar fluorescent tube — 2007-08-14
7142784 Microprocessor-based optical signal conditioner Wei Yang, Li Chen, Dejin Yu, Diana Liu 2006-11-28
6907537 Frequency division type device for protecting a portable information processing system from data loss when the system experiences unusual voltages — 2005-06-14
6753855 Driver circuit for LCDM — 2004-06-22
6739737 Lamp body for a fluorescent compact spot and flood light source — 2004-05-25
6727678 Rechargeable battery protection circuit with alarm unit — 2004-04-27
6407511 Electronic ballast suitable for lighting control in fluorescent lamp Changgen Yang 2002-06-18
6343871 Body height adjustable electric bulb for illuminated signs — 2002-02-05
6255785 High power factor electronic ballast with low lamp current peak ratio Changgen Yang 2001-07-03
5921660 Electric bulb for identification lamp — 1999-07-13

Nearby-Ranked Inventors

Michael John Caelwaerts17
Umut Zalluhoglu17
Austino Longo17
Till Bredbeck17
Mircea Grigore17
Achim Klein17
Manesh Nadupparambil Sekharan17
Yoshiaki Nishikawa17
Evan Sparks17