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For the Inventor, By the Inventor

Kawasaki, Japan

Kei Sugibuchi

USPTO Granted Patents = 3 

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2017)
  • Kawasaki, JP (2017 - 2022)

Company Filing History:

goldMedal3 out of 52,780 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal1 out of 279 
 
Toshiba Infrastructure Systems & Solutions Corporation
 patents
where one patent can have more than one assignee

Years Active: 2017-2022

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3 patents (USPTO):Explore Patents
1. 11431706 - Communication control system and communication control device (2022-08-30),
2. 9798739 - IC card and IC card control method (2017-10-24),
3. 9779347 - Smart card and portable electronic apparatus (2017-10-03),
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