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Home › Physio-Control › Peter W. Cheung
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Peter W. Cheung — 8 Patents

PHPhysio-Control: 4 patents #98 of 303Top 35%
TMTower Manufacturing: 1 patents #15 of 27Top 60%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
WCWashington Technology Center: 1 patents #2 of 29Top 7%
Mercer Island, WA: #212 of 829 inventorsTop 30%
Washington: #13,119 of 76,902 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Peter W. Cheung has been granted 8 US patents while listed as an inventor at Physio-Control. The first was granted in 1989 and the most recent in May 2023. Peter W. Cheung ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Peter W. Cheung in Mercer Island, WA, US.

Patents per Year

Patents granted per year, 1989 to 2023Bar chart with a peak of 2 patents in 1990.peak 21989: 1 patents19891990: 2 patents19901991: 2 patents19911993: 1 patents19932003: 1 patents20032023: 1 patents2023

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11645952 Apparatus and system for a universally mountable digit-roll display unit — 2023-05-09
6541723 Cover for a rotary switch Chepur P. Rao 2003-04-01
5259381 Apparatus for the automatic calibration of signals employed in oximetry Karl F. Gauglitz, Scott W. Hunsaker, Stephen J. Prosser, Darrell Wagner, Robert E. Smith, III 1993-11-09
5074977 Digital biosensors and method of using same Edward B. Wieler, Clement E. Furlong 1991-12-24
D317501 Pulse oximeter Gary J. Selke 1991-06-11
4913150 Method and apparatus for the automatic calibration of signals employed in oximetry Karl F. Gauglitz, Scott W. Hunsaker, Stephen J. Prosser, Darrell Wagner, Robert E. Smith, III 1990-04-03
4892101 Method and apparatus for offsetting baseline portion of oximeter signal Karl F. Gauglitz, Lee R. Mason, Stephen J. Prosser, Robert E. Smith, III, Darrell Wagner +1 more 1990-01-09
4819646 Feedback-controlled method and apparatus for processing signals used in oximetry Karl F. Gauglitz, Lee R. Mason, Stephen J. Prosser, Robert E. Smith, III, Darrell Wagner +1 more 1989-04-11

Frequent Collaborators

Scott W. Hunsaker4 shared
Karl F. Gauglitz4 shared
Stephen J. Prosser4 shared
Robert E. Smith, III4 shared
Darrell Wagner4 shared
Lee R. Mason2 shared

Nearby-Ranked Inventors

Suryatej Gundavelli8
Hajime Yoshizawa8
Takahisa TATEKAWA8
Hye-Jin GONG8
Yang Ji8
Koichi Sekimizu8
Sandeep Rekhi8
Tejas Pradip Rode8
Jonatan Hörder8