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For the Inventor, By the Inventor

Tokyo, Japan

Kei Kasai

This inventor holds 5 USPTO granted patents and 7 published patent applications. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2013-2018.

USPTO Granted Patents = 5 

% Patents Active = 40.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Tokyo, JP (2013 - 2017)
  • Toshima Tokyo, JP (2016 - 2018)

Company Filing History:

goldMedal5 out of 53,226 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2013-2018

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5 patents (USPTO):Explore Patents
1. 10084374 - Semiconductor device (2018-09-25),
2. 9595967 - Level shift circuit and driver circuit (2017-03-14),
3. 9459639 - Power supply circuit with control unit (2016-10-04),
4. 8754628 - Voltage regulator for high speed switching of voltages (2014-06-17),
5. 8553378 - Switching circuit and DC-to-DC converter (2013-10-08),
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