DS

David H. Shen

NM Nanoamp Mobile: 5 patents #2 of 7Top 30%
NS Nanoamp Solutions: 4 patents #4 of 9Top 45%
SL Silicon Laboratories: 4 patents #224 of 744Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
ES Enable Semiconductor: 1 patents #3 of 4Top 75%
Bank of America: 1 patents #2,766 of 5,361Top 55%
OA Optical Associates: 1 patents #1 of 14Top 8%
SU Stanford University: 1 patents #58 of 261Top 25%
📍 Los Altos, CA: #503 of 3,651 inventorsTop 15%
🗺 California: #24,270 of 386,348 inventorsTop 7%
Overall (All Time): #182,534 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11317991 Teeth aligner system Eugene Y. Chan, Junior Bryan Taurai, Matthew James Taylor, Yasmin El Abed, Eleanor Hasnip +1 more 2022-05-03
9746505 Radio frequency energy detection 2017-08-29
9712261 Apparatus and method of background temperature calibration Gerald Champagne 2017-07-18
9680478 Initializing a ring counter Tufan C. Karalar 2017-06-13
8970287 Apparatus and method of adjusting analog parameters for extended temperature operation Gerald Champagne 2015-03-03
7982539 High resolution variable gain control Ann P. Shen, Chien-Meen Hwang 2011-07-19
7970811 Continuous-time multi-gigahertz filter using transmission line delay elements 2011-06-28
7689493 Methods for asset index tracking Michael Sullivan, Philip FISCHER, Philip Galdi 2010-03-30
7657246 Techniques for passive subharmonic mixing Ann P. Shen 2010-02-02
7649416 Load inductor sharing James Burnham, Ali Tabatabaei, Ann P. Shen 2010-01-19
7646325 Analog to digital converter Axel Schuur, Ann P. Shen 2010-01-12
7639088 Phase-locked loop start-up techniques Ann P. Shen, Axel Schuur 2009-12-29
7639092 Crystal oscillator frequency tuning circuit Ann P. Shen 2009-12-29
7532079 Digital tuning of crystal oscillators Ann P. Shen 2009-05-12
7521976 Low power high speed latch for a prescaler divider Douglas Sudjian 2009-04-21
7474885 Passive subharmonic mixer Ann P. Shen 2009-01-06
7299020 Tunable multi-band receiver by on-chip selectable filtering Ann P. Shen 2007-11-20
7248850 Passive subharmonic mixer design 2007-07-24
7015736 Symmetric charge pump Douglas Sudjian 2006-03-21
5942932 Circuit and method for preventing latch-up in a CMOS semiconductor device 1999-08-24
5815452 High-speed asynchronous memory with current-sensing sense amplifiers 1998-09-29
5640698 Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion Chien-Meen Hwang, Bruce B. Lusignan, Bruce A. Wooley 1997-06-17
5225884 Excimer laser pulse analyzer and method Steven A. Stark 1993-07-06