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USPTO Patent Rankings Data through Dec 31, 2025
Home › Optim › Robert J. Krupa
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Robert J. Krupa — 19 Patents

OPOptim: 15 patents #2 of 36Top 6%
IIImo Industries: 2 patents #6 of 58Top 15%
IMImacor: 1 patents #6 of 7Top 90%
TAThermo Jarrell Ash: 1 patents #11 of 22Top 50%
Leominster, MA: #12 of 286 inventorsTop 5%
Massachusetts: #6,113 of 88,656 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Robert J. Krupa has been granted 19 US patents while listed as an inventor at Optim. The first was granted in 1991 and the most recent in June 2015. Robert J. Krupa ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Robert J. Krupa in Leominster, MA, US.

Patents per Year

Patents granted per year, 1991 to 2015Bar chart with a peak of 4 patents in 2007.peak 41991: 1 patents19911992: 1 patents1997: 1 patents19972006: 3 patents2007: 4 patents20072008: 2 patents2010: 1 patents20102011: 1 patents2012: 1 patents20122013: 1 patents2014: 1 patents20142015: 2 patents2015

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9055863 Portable endoscope William F. Laflash, Thomas V. Root, Aleksandra A. Levshina 2015-06-16
9022628 Compact, high efficiency, high power solid state light source using a single solid state light-emitting device Peter G. Lorenz, Thomas V. Root 2015-05-05
8801253 Illumination device Thomas V. Root 2014-08-12
8579822 Transesophageal ultrasound probe with an adaptive bending section Edward Paul Harhen 2013-11-12
8152715 Endoscope with internal light source and power supply Thomas V. Root, Robb Morse Gavalis, Anthony Parillo, William F. Laflash, Aleksandra A. Levshina 2012-04-10
8033704 Compact, high efficiency, high power solid state light source using a solid state light-emitting device Peter G. Lorenz, Thomas V. Root 2011-10-11
7798692 Illumination device Thomas V. Root 2010-09-21
D581052 Control handle for an endoscopic device Thomas V. Root, Robb Morse Gavalis, Anthony Parillo, William F. Laflash, Aleksandra A. Levshina 2008-11-18
D561336 Control handle for a portable endoscopic device William F. Laflash, Thomas V. Root, Matthew Maher, Hudson D. Bennett, Jason Wallace 2008-02-05
D551762 Control handle for an endoscope device Thomas V. Root 2007-09-25
7229201 Compact, high-efficiency, high-power solid state light source using a single solid state light-emitting device Peter G. Lorenz, Thomas V. Root 2007-06-12
7198397 LED endoscope illuminator and methods of mounting within an endoscope Hudson D. Bennett, William F. Laflash, Matthew Maher, Thomas V. Root 2007-04-03
7193519 Reusable instruments and related systems and methods Thomas V. Root 2007-03-20
D533939 Control handle with a display for an endoscopic device Thomas V. Root 2006-12-19
7115091 Reusable endoscopic device and related systems and methods Thomas V. Root 2006-10-03
6991603 Insertion tube device William F. Laflash, Matthew Maher, Thomas V. Root, Ralph Tillinghast 2006-01-31
5642190 Dual-axis plasma imaging system for use in spectroscopic analysis Edward E. Owen 1997-06-24 $38,530,000
5096295 Scanning monochromator Edward E. Owen, Stanley L. Shiller 1992-03-17 $2,121,000
4995721 Two-dimensional spectrometer R. Calvin Owen, Jr. 1991-02-26 $1,838,000

Frequent Collaborators

Thomas V. Root15 shared
William F. Laflash6 shared
Peter G. Lorenz3 shared
Aleksandra A. Levshina3 shared
Matthew Maher3 shared
Edward E. Owen2 shared

Nearby-Ranked Inventors

Vlastimil Kunc19
Nikolaj Maj Bentsen19
Vladimir Zhukov19
Remi Geraud19
Stephen Kaes19
Adeeti V. Ullal19
Ichiro Hayashi19
Kazuhiko Ueno19
Lei S. Qi19