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Daegu, South Korea

Byung Ho Nam

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 11(Granted Patents)

Location History:

Daegu-si, KR (2008 - 2013)
Daegu, KR (2011 - 2017)

Company Filing History:

8 out of 11,004

Hynix Semiconductor Inc.

Years Active: 2008-2017

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9841668 - Photomasks for reducing thermal stress generated by heat (2017-12-12),

2. 9664996 - Photomasks for reducing thermal stress generated by heat (2017-05-30),

3. 9599887 - Photo mask including pre-alignment keys and photolithography apparatus performing a pre-alignment process for the photo mask (2017-03-21),

4. 9335625 - Blank masks for extreme ultra violet lithography, methods of fabricating the same, and methods of correcting registration errors thereof (2016-05-10),

5. 9274411 - Reflection type blank masks, methods of fabricating the same, and methods of fabricating reflection type photo masks using the same (2016-03-01),

6. 8906582 - Blank masks for extreme ultra violet lithography, methods of fabricating the same, and methods of correcting registration errors thereof (2014-12-09),

7. 8748065 - Reflection type blank masks, methods of fabricating the same, and methods of fabricating reflection type photo masks using the same (2014-06-10),

8. 8486822 - Semiconductor device having dummy pattern and the method for fabricating the same (2013-07-16),

9. 8021805 - Backside phase grating mask and method for manufacturing the same (2011-09-20),

10. 7902671 - Semiconductor device having dummy pattern and the method for fabricating the same (2011-03-08),

11. 7422830 - Method for detecting failure of database patterns of photo mask (2008-09-09),

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