Inventor

PARK JONG-RAK

KR8 patents

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

SAMSUNG ELECTRONICS CO LTD

3 patents

US7001697B2Feb 21, 2006

Photomask having a transparency-adjusting layer, method of manufacturing the photomask, and exposure method using the photomask

SAMSUNG ELECTRONICS CO LTD41 citations91

US6911286B2Jun 28, 2005

Method of designing phase grating pattern providing modified illumination optimum for producing a target pattern and method of manufacturing a photo mask system comprising the phase grating pattern

SAMSUNG ELECTRONICS CO LTD7 citations71

US6933083B2Aug 23, 2005

Method of designing phase grating pattern for use in modifying illumination in an exposure process, and method of manufacturing a photo mask system having the phase grating pattern

SAMSUNG ELECTRONICS CO LTD0 citations39

(unassigned)

1 patent

US6131527AOct 17, 2000

Vacuum box for use with overlock sewing machines

17 citations82

KOREA RES INST STANDARDS & SCI

1 patent

US6064684AMay 16, 2000

Unidirectionally operating laser apparatus using semimonolithic ring cavity

KOREA RES INST STANDARDS & SCI14 citations67

INDUSTRY-ACADEMIC COOP FOUND CHOSUN UNIV

1 patent

US9523069B2Dec 20, 2016

Photobioreactor for microalgae cultivation having arc-type partition structure for forming vortices

INDUSTRY-ACADEMIC COOP FOUND CHOSUN UNIV3 citations65

KONKUK UNIV GLOCAL IND ACADEMIC COLLABORATION FOUND

1 patent

US10058712B2Aug 28, 2018

Somatic sensation induction system using pulse laser and medium of high absorption coefficient

KONKUK UNIV GLOCAL IND ACADEMIC COLLABORATION FOUND1 citations45

UNIV KONKUK IND COOP CORP

1 patent

US9092955B2Jul 28, 2015

Laser apparatus capable of controlling a photo-mechanical effect and method using the same

UNIV KONKUK IND COOP CORP0 citations44