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For the Inventor, By the Inventor

Zama, Japan

Kazuhide Kumakura

USPTO Granted Patents = 5 

 

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 50(Granted Patents)


Location History:

  • Kanagawa, JP (2003)
  • Zama, JP (2007 - 2010)
  • Atsugi, JP (2015)

Company Filing History:

goldMedal5 out of 5,290 
 
Nippon Telegraph and Telephone Corporation
 patents

Years Active: 2003-2025

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5 patents (USPTO):Explore Patents
1. 12218272 - Semiconductor device (2025-02-04),
2. 9219111 - Nitride semiconductor structure and method of preparing the same (2015-12-22),
3. 7804106 - P-type nitride semiconductor structure and bipolar transistor (2010-09-28),
4. 7244520 - Substrate for nitride semiconductor growth (2007-07-17),
5. 6667498 - Nitride semiconductor stack and its semiconductor device (2003-12-23),
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