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Inventor

Kyoung Joon Chang

Inventor
Seongnam, KR

Overview

7→
Patents
2010–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines58%
Y10TTechnical subjects covered by former us classification42%
PatentTitleYear
8,146,548'Continuously variable valve lift device and operation logic thereof'20127,950,360'Continuous variable valve lift apparatus'20117,918,202'Variable valve lift apparatus'20117,905,207'Variable valve lift apparatus'20117,836,863'Variable valve lift apparatus of engine for vehicles'20107,823,552'Continuous variable valve lift apparatus'20107,789,053'Continuous variable valve lift apparatus'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Patents assigned to HYUNDAI MOTOR CO LTD (7)· patent assignee history
2010Patents assigned to KIA MOTORS CORP (1)· patent assignee history
2010–2011Based in Seongnam, KR· patent location history
2010Based in Seoul, KR· patent location history
2012Patents assigned to CHANG KYOUNG JOON (1)· patent assignee history
2012Patents assigned to KIM JIN SOON (1)· patent assignee history
2012Patents assigned to KONG JIN KOOK (1)· patent assignee history
2012Based in Seongnam-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYUNDAI MOTOR CO LTD72010–2012
CHANG KYOUNG JOONself12012
KIA MOTORS CORP12010
KIM JIN SOON12012
KONG JIN KOOK12012
Locations
LocationPatentsSpan
Seongnam, KR52010–2011
Seongnam-si, KR12012
Seoul, KR12010