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

Dat Nguyen — 32 Patents

OEOtis Elevator: 16 patents #94 of 1,840Top 6%
Lockheed Martin: 4 patents #788 of 6,507Top 15%
TITexas Instruments: 4 patents #3,300 of 12,488Top 30%
TETeradiode: 3 patents #13 of 20Top 65%
Infineon Technologies Ag: 1 patents #4,631 of 7,486Top 65%
Panasonic: 1 patents #13,316 of 21,108Top 65%
Wilmington, MA: #11 of 314 inventorsTop 4%
Massachusetts: #2,824 of 88,656 inventorsTop 4%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
Dat Nguyen has been granted 32 US patents while listed as an inventor at Otis Elevator. The first was granted in 1989 and the most recent in April 2023. Dat Nguyen ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Dat Nguyen in Wilmington, MA, US.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11635667 Systems and methods for laser systems with variable beam parameter product utilizing thermo-optic effects Parviz Tayebati, Francisco VILLARREAL-SAUCEDO, Bien Chann, Michael Deutsch 2023-04-25
11143932 Systems and methods for laser systems with variable beam parameter product utilizing thermo-optic effects Parviz Tayebati, Francisco VILLARREAL-SAUCEDO, Bien Chann, Michael Deutsch 2021-10-12
10823710 Scanning acoustic microscopy system and method Robert Milotta 2020-11-03 $37,378,000
10416529 Systems and methods for laser systems with variable beam parameter product utilizing thermo-optic effects Parviz Tayebati, Francisco VILLARREAL-SAUCEDO, Bien Chann, Michael Deutsch 2019-09-17
10088456 Scanning acoustic microscopy system and method Robert Milotta 2018-10-02 $28,942,000
9366887 Systems and methods for laser systems with variable beam parameter product utilizing thermo-optic effects Parviz Tayebati, Francisco VILLARREAL-SAUCEDO, Bien Chann, Michael Deutsch 2016-06-14
8230659 Intumescent fire door edge system Kevin B. Langille, Ho T. Nguyen, An Cong Bach 2012-07-31
7991192 Method of tracking a moving object by an emissivity of the moving object Harry Lee 2011-08-02 $10,418,000
7899237 Method, apparatus and system for detecting anomalies in mixed signal devices Thao To, David Maxwell, Naweed Anjum 2011-03-01 $7,861,000
7447381 Method and apparatus for filtering an image Arthur V. Forman, Anthony Krivanek, Scott LaPointe, Michael J. Mayercik 2008-11-04 $33,573,000
7313501 Method and system for determining the location of a potential defect in a device based on a temperature profile 2007-12-25
7305145 Method and apparatus for filtering an image Arthur V. Forman, Anthony Krivanek, Scott LaPointe, Michael J. Mayercik 2007-12-04 $29,837,000
6645278 Intumescent powder Kevin B. Langille, Dwight E. Veinot, Jorgen O. Bernt 2003-11-11
6469549 Apparatus and method for odd integer signal division Michael Carson 2002-10-22 $63,000
6445832 Balanced template tracker for tracking an object image sequence Harry Lee 2002-09-03 $33,622,000
6371261 Molybdenum alloy elevator safety brakes Mark S. Thompson, James T. Beals, Philip H. McCluskey, David Wayne Mckee, Michael C. Lang +3 more 2002-04-16 $51,066,000
5979615 Carbon--carbon composite elevator safety brakes Mark S. Thompson, James T. Beals, Philip H. McCluskey, David Wayne Mckee, Michael C. Lang +3 more 1999-11-09 $29,152,000
5964322 Elevator safety brake having a plasma sprayed friction coating Mark S. Thompson, Raymond A. Zatorski, James T. Beals, Philip H. McCluskey, David Wayne Mckee +3 more 1999-10-12 $36,205,000
5819879 Safety brake Michael C. Lang, Samuel C. Wan, Richard J. Ericson, Paul Bennett, Joseph A. L. LeDoux +6 more 1998-10-13 $7,198,000
5458220 Balustrade for a passenger conveyor James A. Rivera, Dale R. Barrett 1995-10-17 $13,293,000
5381687 Escalator combplate stop switch load calibrating assembly James A. Rivera 1995-01-17 $6,875,000
D348757 Escalator handrail entry housing James A. Rivera, Dale R. Barrett, Gerald E. Johnson 1994-07-12
5307918 Escalator combplate stop switch assembly James A. Rivera 1994-05-03 $2,841,000
5180047 Balustrade and deck mounting assembly for escalator or moving walkway Dale R. Barrett, Frank Sansevero 1993-01-19 $5,026,000
5131521 Moving handrail drive Gerald E. Johnson, James A. Rivera, Frank Sansevero 1992-07-21 $5,759,000