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Inventor

Yoonsik Woo

Inventor
Yongin-si, KR

Overview

16→
Patents
2013–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines39%
F02DControlling combustion engines36%
F01LCyclically operating valves for machines or engines9%
F01MLubricating of machines or engines in general6%
F02FCylinders, pistons or casings, for combustion engines3%
F16CShafts3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,816,409'Variable valve lift apparatus'20179,447,739'Variable compression ratio engine'20169,359,945'Variable compression ratio apparatus'20169,188,067'Variable compression ratio device and internal combustion engine including the same'20159,169,774'Variable compression ratio engine that varies compression ratio'20159,140,182'Variable compression ratio control system'20159,021,994'Variable compression ratio apparatus'20158,776,736'Variable compression ratio apparatus'20148,757,112'Variable compression ratio apparatus'20148,733,302'Variable compression ratio apparatus'20148,720,395'Variable compression ratio apparatus'20148,720,394'Variable compression ratio apparatus with dual eccentric links'20148,667,934'Engine having compression ratio variable device'20148,555,829'Variable compression ratio apparatus'20138,464,677'Variable valve lift apparatus'20138,413,620'Hydraulic orifice'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2017Patents assigned to HYUNDAI MOTOR CO LTD (16)· patent assignee history
2013–2014Patents assigned to WOO YOONSIK (5)· patent assignee history
2013Patents assigned to KONG JIN KOOK (3)· patent assignee history
2013–2017Based in Yongin-si, KR· patent location history
2014Patents assigned to KONG JINKOOK (2)· patent assignee history
2014Patents assigned to LEE EUNHO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYUNDAI MOTOR CO LTD162013–2017
WOO YOONSIKself52013–2014
KONG JIN KOOK32013
KONG JINKOOK22014
LEE EUNHO22014
Locations
LocationPatentsSpan
Yongin-si, KR162013–2017