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Inventor

Chang Hwan Kim

Inventor
Gyeonggi-do, KR

Overview

2→
Patents
1999–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes14%
B01DSeparation14%
C07KPeptides14%
C12NMicroorganisms or enzymes14%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
F02DControlling combustion engines14%
Y02TClimate change mitigation technologies related to transportation14%
PatentTitleYear
11,035,273After treatment system and after treatment method for lean-burn engine20215,962,267'Proinsulin derivative and process for producing human insulin'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to HANIL SYNTHETIC FIBER CO LTD (1)· patent assignee history
1999Based in Taegu, KR· patent location history
2021Patents assigned to HYUNDAI MOTOR CO LTD (1)· patent assignee history
2021Patents assigned to KIA MOTORS COMPANY (1)· patent assignee history
2021Patents assigned to KIA MOTORS CORP (1)· patent assignee history
2021Based in Gyeonggi-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANIL SYNTHETIC FIBER CO LTD11999
HYUNDAI MOTOR CO LTD12021
KIA MOTORS COMPANY12021
KIA MOTORS CORP12021
Locations
LocationPatentsSpan
Gyeonggi-do, KR12021
Taegu, KR11999