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DONG YANG PISTON CO LTD

Overview
  • Total Patents
    93
  • GoodIP Patent Rank
    22,516
  • Filing trend
    ⇩ 11.0%
About

DONG YANG PISTON CO LTD has a total of 93 patent applications. It decreased the IP activity by 11.0%. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, materials and metallurgy and mechanical elements are KS KOLBENSCHMIDT GMBH, Hunan jiangbin machine group co ltd and RENETTE COMPANY.

Patent filings per year

Chart showing DONG YANG PISTON CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ryu Kwan Ho 51
#2 Yang Jun Kui 47
#3 Lee Jeong Keon 27
#4 Yoo Ki Baek 26
#5 Kim Jae Seong 18
#6 Jun Sang Hyuk 17
#7 Lee Jae Kuk 17
#8 Lee Jeong Keun 16
#9 Shim Woo Seok 15
#10 Yoo In Cheol 14

Latest patents

Publication Filing date Title
KR20200028311A Hub apparatus, hub bearing apparatus and its manufacturing method
US2019211177A1 Resin composition for coating engine piston and method of fabricating the same
KR20200080907A Thermal insulation structure for engine piston
KR102045854B1 Salt core pre-heating supply device
KR102045853B1 Salt-core pre-heating supply device
KR101983677B1 Salt core inspection device and a salt core preheating supply device containing the same
KR102045852B1 Salt core pre-heating supply device
KR20190100674A Assembly robot
KR20190086204A Piston for internal combustion engine
KR20190073918A Insert ring integral type piston manufacturing device
KR101970603B1 Apparatus for piston moving and apparatus for piston assembling using the same
KR20190019456A Piston for internal combustion engine and its manufacturing method
KR20180136023A Piston transfer device
KR101902844B1 Piston Coating System Using Screen Printing
KR20180065516A Piston for vehicle engine and method for manufacturing the same
KR20180065225A Piston for vehicle engine and method for manufacturing the same
KR101781086B1 Piston for internal combustion engine
KR20180041933A Salt core support structure
KR20180040879A Salt cores for piston of the engine oil gallery formed
KR20180037777A Salt-core test device