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Inventor

Hwan-su Kim

Inventor
Pohang-si, KR

Overview

2→
Patents
1999–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis25%
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
G21KHandling of particles or ionising radiation not otherwise provided for25%
PatentTitleYear
11,017,912X-ray shutter apparatus and X-ray shutter opening and closing system using the same20215,910,307'Process of extracting and purifying biologically effective ingredients from combined medicinal plants and their extract composition'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to SUNKYONG IND LTD (1)· patent assignee history
1999Based in Kyungki-do, KR· patent location history
2021Patents assigned to POSTECH ACAD IND FOUND (1)· patent assignee history
2021Patents assigned to ROSTECH ACADEMY IND FOUNDATION (1)· patent assignee history
2021Based in Pohang-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POSTECH ACAD IND FOUND12021
ROSTECH ACADEMY IND FOUNDATION12021
SUNKYONG IND LTD11999
Locations
LocationPatentsSpan
Pohang-si, KR12021
Kyungki-do, KR11999