Mark Feldman has been granted 14 US patents while listed as an inventor at Mitutoyo . The first was granted in 1992 and the most recent in October 2008. Mark Feldman ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Mark Feldman in Livermore, CA, US.
Patents per Year Patents granted per year, 1992 to 2008 Bar chart with a peak of 3 patents in 2008. peak 3 1992: 1 patents 1992 1993: 1 patents 1993 1994: 2 patents 1994 1998: 1 patents 1998 1999: 1 patents 1999 2000: 2 patents 2000 2001: 1 patents 2001 2007: 2 patents 2007 2008: 3 patents 2008
Issued Patents All Time
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Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7436587 Variable focal length constant magnification lens assembly — 2008-10-14
7379187 Detector configuration for interferometric distance measurement — 2008-05-27
7315381 Monolithic quadrature detector David William Sesko 2008-01-01
7253902 Wavelength detector — 2007-08-07
7246032 Multimode electronic calipers having ratiometric mode and simplified user interface — 2007-07-17
6287437 Recessed bonding of target for RF diode sputtering Tamarak Pandhumsoporn 2001-09-11
6132575 Magnetron reactor for providing a high density, inductively coupled plasma source for sputtering metal and dielectric films Tamarak Pandumsoporn 2000-10-17
$11,685,000
6122388 Earmold device — 2000-09-19
5939796 Combination mirror and memory switch Roberto Tomassi , John Cranick , Gennaro Fedele 1999-08-17
$31,264,000
5854455 Switching device with secondary switching function John Cranick 1998-12-29
$18,786,000
5309282 High stability wavefront reference source Daniel J. Mockler 1994-05-03
5305074 Achromatic self-referencing interferometer — 1994-04-19
5189485 Wavelength meter having single mode fiber optics multiplexed inputs Richard P. Hackel , Robert D. Paris 1993-02-23
5168324 Wavelength meter having elliptical wedge Richard P. Hackel 1992-12-01