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Larry A. Marcus — 14 Patents

ATAT&T: 7 patents #2,622 of 18,772Top 15%
HIHarman International Industries, Incorporated: 2 patents #383 of 1,027Top 40%
MAMwm Acoustics: 2 patents #6 of 7Top 90%
AGAgere Systems Guardian: 1 patents #274 of 810Top 35%
POPolycom: 1 patents #211 of 365Top 60%
Fishers, IN: #66 of 589 inventorsTop 15%
Indiana: #2,490 of 33,936 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Larry A. Marcus has been granted 14 US patents while listed as an inventor at AT&T. The first was granted in 1994 and the most recent in September 2020. Larry A. Marcus ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Larry A. Marcus in Fishers, IN, US.

Patents per Year

Patents granted per year, 1994 to 2020Bar chart with a peak of 2 patents in 1995.peak 21994: 1 patents19941995: 2 patents1996: 1 patents19961997: 2 patents1998: 1 patents19982002: 1 patents2007: 1 patents20072010: 2 patents2012: 1 patents20122018: 1 patents2020: 1 patents2020

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10771875 Gradient micro-electro-mechanical systems (MEMS) microphone John Charles Baumhauer, Jr., Fengyuan Li, Alan Dean Michel, Marc Reese 2020-09-08
10154330 Gradient micro-electro-mechanical systems (MEMS) microphone John Charles Baumhauer, Jr., Fengyuan Li, Alan Dean Michel, Marc Reese 2018-12-11
8300871 Earphone for wideband communication Christopher Todd Welsh, John Charles Baumhauer, Jr. 2012-10-30
7751575 Microphone system for communication devices John Charles Baumhauer, Jr., Christopher Todd Welsh, Alan Dean Michel, Jeffrey Phillip McAteer 2010-07-06
7646865 Telephone handset coupling system Christopher Todd Welsh, Alan Dean Michel, Michael Thomas Frank, John Charles Baumhauer, Jr. 2010-01-12
7182324 Microphone isolation system John Charles Baumhauer, Jr., Robert Spaller, Thao D. Hovanky, Peter L. Chu, Denton L. Simpson 2007-02-27 $18,241,000
6389145 Methods and apparatus for controlling the output of moving armature transducers John Charles Baumhauer, Jr. 2002-05-14 $3,798,000
5740257 Active noise control earpiece being compatible with magnetic coupled hearing aids — 1998-04-14 $22,452,000
5696359 Portable loudspeaker/directional microphone peripheral Christopher Todd Welsh 1997-12-09 $32,775,000
5651074 Noise canceling gradient microphone assembly John Charles Baumhauer, Jr. 1997-07-22 $42,857,000
5586183 Extendable telephone handset with flexible electrical interconnection and matched impedance acoustical interface William J. McLaughlin 1996-12-17 $111,186,000
5450372 Magnetoresistive microphone and acoustic sensing devices Sungho Jin, Mark Thomas McCormack 1995-09-12
D355917 Telephone handset Anthony J. Grewe, William J. McLaughlin, David Stowers, Michael P. Zambelli 1995-02-28
5291541 Coupling apparatus for telephone handsets Clinton D. Gibler, Frederick A. Rosebrock, Perry K. White 1994-03-01

Frequent Collaborators

John Charles Baumhauer, Jr.8 shared
Alan Dean Michel4 shared
Christopher Todd Welsh4 shared
Marc Reese2 shared
William J. McLaughlin2 shared
Fengyuan Li2 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14