Inventor

Won-Jae Hwang

Inventor

Seoul, KR

Overview

4→

Patents

1994–2021

Patent span

Physics

Primary field (CPC G)

Patents· 4 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer22%

A61BDiagnosis11%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

C01BNon-metallic elements11%

G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data11%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

PatentTitleYear

10,937,546Degree-of-distraction estimation system based on unconstrained bio-information2021 7,695,693'Thin type micro reformer'2010 7,298,676'Optical pickup apparatus having optical detection area for compensating for tracking error offset'2007 5,369,631'Recording/reproducing apparatus for optical tape'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history

1994Based in Suwon-si, KR· patent location history

2007–2010Patents assigned to SAMSUNG ELECTRO MECH (2)· patent assignee history

2007–2010Based in Seoul, KR· patent location history

2021Patents assigned to DONGSEO TECHNOLOGY HEADQUTERS (1)· patent assignee history

2021Patents assigned to DONGSEO UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION (1)· patent assignee history

2021Based in Busan, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRO MECH	2	2007–2010
DONGSEO TECHNOLOGY HEADQUTERS	1	2021
DONGSEO UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION	1	2021
SAMSUNG ELECTRONICS CO LTD	1	1994

Locations

Location	Patents	Span
Seoul, KR	2	2007–2010
Busan, KR	1	2021
Suwon-si, KR	1	1994