LEE; Doo Seok

Patent Applications and Registrations

Patent applications and USPTO patent grants for LEE; Doo Seok.The latest application filed is for "laser marking device and laser marking method".

Company Profile

1.4.14

LEE; Doo Seok - Anyang-si KR
Lee; Doo Seok - Seoul KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Laser Marking Device And Laser Marking Method App 20210050239 - JUNG; Sung Beom ; et al.	2021-02-18
Laser marking device and laser marking method Grant 10,861,725 - Jung , et al. December 8, 2	2020-12-08
Laser Marking Device And Laser Marking Method App 20200211875 - JUNG; Sung Beom ; et al.	2020-07-02
Method for extracting semantic distance from mathematical sentences and classifying mathematical sentences by semantic distance, device therefor, and computer readable recording medium Grant 9,424,251 - Park , et al. August 23, 2	2016-08-23
Method and device for inputting equation Grant 9,372,828 - Choe , et al. June 21, 2	2016-06-21
Locking Apparatus With Enhanced Security Using Iris Image App 20150040212 - Kim; Dae-hoon ; et al.	2015-02-05
Mathematics Education Service System, Service Method Thereof, Apparatus For Analyzing And Generating Mathematical Problems, And Method Thereof App 20130295537 - PARK; Keun Tae ; et al.	2013-11-07
Method And Device For Inputting Equation App 20130290390 - Choe; Seung Lock ; et al.	2013-10-31
Method For Extracting Semantic Distance From Mathematical Sentences And Classifying Mathematical Sentences By Semantic Distance, Device Therefor, And Computer Readable Recording Medium App 20130275122 - Park; Keun Tae ; et al.	2013-10-17
Method For Processing Natural Language And Mathematical Formula And Apparatus Therefor App 20130268263 - PARK; Yong Gil ; et al.	2013-10-10
Apparatus And Method For Diagnosing Learning Ability App 20130260359 - Park; Keun Tae ; et al.	2013-10-03
Apparatus And Method For Iris Recognition Using Multiple Iris Templates App 20130194407 - Kim; Dae-hoon ; et al.	2013-08-01
Method For Intelligent Personalized Learning Service App 20120329028 - Wee; Nam-Sook ; et al.	2012-12-27

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