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For the Inventor, By the Inventor

Joetsu, Japan

Hiroshi Fukuda

USPTO Granted Patents = 5


Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Joetsu, JP (2017)
  • Niigata, JP (2019)
  • Echizen, JP (2019)

Company Filing History:

goldMedal5 out of 5,984 
 
Shin-Etsu Chemical Co., Ltd.
 patents

Years Active: 2017-2019

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5 patents (USPTO):Explore Patents
1. 10488347 - Defect classification method, method of sorting photomask blanks, and method of manufacturing mask blank (2019-11-26),
2. 10295477 - Methods for defect inspection, sorting, and manufacturing photomask blank (2019-05-21),
3. 9829787 - Defect inspecting method, sorting method, and producing method for photomask blank (2017-11-28),
4. 9829442 - Defect inspecting method, sorting method and producing method for photomask blank (2017-11-28),
5. 9772551 - Evaluation method of defect size of photomask blank, selection method, and manufacturing method (2017-09-26),
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