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For the Inventor, By the Inventor

Tokyo, Japan

Masako Ishimaru

USPTO Granted Patents = 6 

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Kokubunji, JP (2009)
  • Tokyo, JP (2006 - 2021)

Company Filing History:

goldMedal3 out of 2,874 
 
Hitachi-high-technologies Corporation
 patents
silverMedal2 out of 42,508 
 
Hitachi, Ltd.
 patents
bronzeMedal1 out of 1,134 
 
Hitachi High-tech Corporation
 patents

Years Active: 2006-2021

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6 patents (USPTO):Explore Patents
1. 10921296 - Separation column connection device, connection method, and analysis system (2021-02-16),
2. 10466214 - Ionization device (2019-11-05),
3. 8368013 - Analyzer, ionization apparatus and analyzing method (2013-02-05),
4. 8253097 - Mass spectrometer and method of mass spectrometry (2012-08-28),
5. 7538321 - Method of identifying substances using mass spectrometry (2009-05-26),
6. 6989531 - Mass spectrometer (2006-01-24),
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