Learn more

ELM CO LTD

Overview
  • Total Patents
    115
  • GoodIP Patent Rank
    130,996
  • Filing trend
    ⇩ 100.0%
About

ELM CO LTD has a total of 115 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1983. It filed its patents most often in Japan, Republic of Korea and Canada. Its main competitors in its focus markets semiconductors, organic fine chemistry and basic materials chemistry are HERRON NORMAN, XIA CHUANJUN and BEIJING SUMMER SPROUT TECH CO LTD.

Patent filings per year

Chart showing ELM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miyahara Takakazu 39
#2 Park Jong Yek 37
#3 Kim Jin Young 36
#4 Baek Yong Gu 26
#5 Kim Jeong Mi 25
#6 Lee Hae Jin 23
#7 Hori Keiichi 22
#8 Kim Myung Ju 15
#9 Miyahara Terumasa 12
#10 Beak Yong Gu 10

Latest patents

Publication Filing date Title
KR102212689B1 Composition For Capping Layer of Organic Light Emitting Diode and Organic Light Emitting Diode Having The Same
KR20200100299A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
KR20200095709A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
KR20200095710A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
JP2019094014A Electrically-driven carriage for farm work
JP2018092756A Light-emitting device
KR20160085511A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
KR20160085510A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
JP2015099911A Phosphor containing film with phosphor separation structure, and manufacturing method thereof
JP2014225442A Led lighting device
KR20150114791A Organic Light Emitting Material Having Aromatic Amine Compound and Organic Light Emitting Diode Using The Same
JP2015115480A Light-emitting device and manufacturing method thereof
KR20150002219A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
KR20150002243A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
JP2014157752A Led illumination apparatus
KR20140102810A Organic Light Emitting Material and Organic Light Emitting Diode Having The Same
JP2014120537A Led lighting device such as led bulb
JP2014082300A Light-emitting device
KR20120119881A Organic light emitting material and organic light emitting diode having the same
JP2014004868A Car washing machine