Inventor

HAN HAK-SEUNG

KR5 patents

⚠️ This page may combine multiple inventors who share the name “HAN HAK-SEUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUXPERT TECHNOLOGIES CO LTD

2 patents

US7030419B2Apr 18, 2006

Thin film for optical applications, light-emitting structure using the same and the fabrication method thereof

LUXPERT TECHNOLOGIES CO LTD7 citations67

US7075708B2Jul 11, 2006

Top-pumped waveguide amplifier

LUXPERT TECHNOLOGIES CO LTD0 citations47

SAMSUNG ELECTRONICS CO LTD

2 patents

US10048601B2Aug 14, 2018

Apparatus for measuring mask error and method therefor

SAMSUNG ELECTRONICS CO LTD0 citations49

US7939223B2May 10, 2011

Photomask using separated exposure technique, method of fabricating photomask, and apparatus for fabricating photomask by using the method

SAMSUNG ELECTRONICS CO LTD0 citations40

YOON YOUNG-KEUN

1 patent

US8522172B2Aug 27, 2013

Method of forming photomask using calibration pattern, and photomask having calibration pattern

YOON YOUNG-KEUN0 citations45