Oh; Seung Keun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oh; Seung Keun.The latest application filed is for "method of manufacturing achromatic lens".

Company Profile

7.5.9

Oh; Seung Keun - Gwangju KR
Oh; Seung-keun - Hwaseong-si 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
Method of manufacturing optical multiplexer and optical multiplexer manufactured thereby Grant 11,400,669 - Kang , et al. August 2, 2	2022-08-02
Method Of Manufacturing Achromatic Lens App 20220197021 - KANG; Sang Do ; et al.	2022-06-23
Microlens Array With First Side Thereof Having Aspheric-surface Shapes App 20220179158 - KANG; Sang Do ; et al.	2022-06-09
Microlens Provided With Opposite Sides Thereof Each Having Aspheric-surface Shape App 20220179170 - KANG; Sang Do ; et al.	2022-06-09
Protective film composition and method of manufacturing semiconductor package by using the same Grant 11,309,345 - Eum , et al. April 19, 2	2022-04-19
Method Of Manufacturing Optical Multiplexer And Optical Multiplexer Manufactured Thereby App 20220066102 - KANG; Sang Do ; et al.	2022-03-03
Method Of Manufacturing Optical Multiplexer And Optical Multiplexer Manufactured Thereby App 20210333476 - KANG; Sang Do ; et al.	2021-10-28
Optical element for optical communication Grant D918,981 - Kang , et al. May 11, 2	2021-05-11
Protective Film Composition And Method Of Manufacturing Semiconductor Package By Using The Same App 20210057480 - Eum; Myoung-chul ; et al.	2021-02-25
Optical element for optical communication Grant D908,759 - Kang , et al. January 26, 2	2021-01-26
Protective film composition and method of manufacturing semiconductor package by using the same Grant 10,854,666 - Eum , et al. December 1, 2	2020-12-01
Protective Film Composition And Method Of Manufacturing Semiconductor Package By Using The Same App 20190245003 - Eum; Myoung-chul ; et al.	2019-08-08
Lens Module For Endoscope And Endoscope Using The Same App 20190079278 - OH; Seung Keun ; et al.	2019-03-14
Method For Manufacturing Microarray Lens App 20170212281 - KANG; Sang Do ; et al.	2017-07-27

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