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LDT INC

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    99,636
  • Filing trend
    ⇧ 600.0%
About

LDT INC has a total of 53 patent applications. It increased the IP activity by 600.0%. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic communication technologies are ADDTEK CORP, MACROBLOCK INC and ROBERTS JOHN K.

Patent filings in countries

World map showing LDT INCs patent filings in countries

Patent filings per year

Chart showing LDT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Park Shi Hong 10
#2 Ko Young Seok 10
#3 Kwon Byung Sup 9
#4 Lee Seung Woo 7
#5 Kim Ju Hyun 6
#6 Lee Jin Gu 6
#7 Cho Hyun Min 6
#8 Park Young Seung 6
#9 Na Dae Sik 4
#10 Lee Young Hee 3

Latest patents

Publication Filing date Title
KR102103174B1 Device for detecting flame
KR102117166B1 SENSOR NETWORK, IoT APPARATUS FOR THE SENSOR NETWORK AND WAKE-UP METHOD BY THE IoT APPARATUS
KR20200029927A Fire detector and fire detection system having the fire detector
KR20200016689A Circuit for driving of led and method therefor
KR20200004515A Driving circuit for electronic ballast compatible led
KR102028922B1 Data processing method of semiconductor chip and semiconductor chip therefor
KR20190046301A Fire detection system using multi-sensor and fire detection method therefor
KR20180043976A Ballast-compatible led driving device and driving method therefor
KR20180014457A Electronic ballast-compatible led driving device and driving method therefor
KR20180012470A Flame sensing system and sensing method therefor
KR20170121867A Distinguishing circuit of ballast class, led drive circuit having the distinguishing circuit of ballast class, distinguishing method of ballast class therefor and led driving method therefor
KR20170045505A Driving apparatus for led and the driving method therefor
KR20160093226A Adaptive led driving circuit and driving method therefor
KR20160091596A Distinguishing circuit of ballast class for led driving
KR20160091592A Circuit for ballast compatible led lamp
KR101524476B1 Driving apparatus for led display
KR20150031543A Clock regeneration apparatus for cascade circuit and regeneration method therefor
KR101472737B1 Apparatus for performing packet bypass through fault detection of an in-line equipment and the method thereof
KR101432495B1 Current source circuit
KR101432494B1 Low drop out voltage regulator