Kyoung-Hwan Choi

USPTO Granted Patents = 10 (Patent Applications = 5)

EPO Patents = 5

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 11(Granted Patents)

Location History:

Gyeonggi-do, KR (2009 - 2010)
Suwon-si, KR (2008 - 2012)

Company Filing History:

9 out of 7,636

Samsung Sdi Co., Inc.

patents

1 out of 131,214

Samsung Electronics Co., Ltd.

where one patent can have more than one assignee

Years Active: 2008-2012

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8232021 - Stack for fuel cell (2012-07-31),

2. 8129064 - Method and apparatus for measuring methanol vapor concentration, method of controlling methanol vapor concentration in a fuel cell, and fuel cell using the same (2012-03-06),

3. 8048586 - Fuel cell stack structure (2011-11-01),

4. 7939217 - Direct methanol fuel cell (2011-05-10),

5. 7842411 - Separator and fuel cell stack using the same (2010-11-30),

6. 7776483 - Method and system of activating fuel cell stack (2010-08-17),

7. 7689315 - Semiconductor equipment control system and method (2010-03-30),

8. 7579101 - Direct liquid feed fuel cell stack (2009-08-25),

9. 7563530 - Fuel amount control system for fuel cell (2009-07-21),

10. 7419737 - Fuel supply device for direct methanol fuel cells (2008-09-02),

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5 patents pending:

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5 patents (EPO):

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