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For the Inventor, By the Inventor

Cheongju, South Korea

Un Jong Cha

USPTO Granted Patents = 3 

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Mochung-dong, Heungdeok-gu, Cheongju-city, Chungcheongbuk-do, KR (2003)
  • CheongJu-city, Cungcheongbuk-Do, KR (2004)
  • CheongJu, KR (2011)

Company Filing History:

goldMedal3 out of 832,912 
Other
 patents

Years Active: 2003-2011

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3 patents (USPTO):Explore Patents
1. 8075492 - Automatic decompression valve for sphygmomanometer with extension spring (2011-12-13),
2. 6778927 - System and method of obtaining measuring characteristic correction factors for respiratory flow measuring device using static pressure difference (2004-08-17),
3. 6634242 - Apparatus for measuring respiratory gas flow by means of a disposable respiratory tube (2003-10-21),
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