Learn more

JANG SEI-JOO

Overview
  • Total Patents
    20
About

JANG SEI-JOO has a total of 20 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets telecommunications, basic communication technologies and machines are NANJING MILLIWAY ELECTRONIC TECH CO LTD, PACIFIC MONOLITHICS and KANG IN HO.

Patent filings in countries

World map showing JANG SEI-JOOs patent filings in countries
# Country Total Patents
#1 United States 14
#2 WIPO (World Intellectual Property Organization) 5
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing JANG SEI-JOOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jang Sei-Joo 20
#2 Hyun Gyu-Seop 3
#3 Kim Haengseob 2
#4 Yoo Donghyun 2
#5 Zhang Qiming 1

Latest patents

Publication Filing date Title
US2013127279A1 Repulsive force conversion drives and centrifugal force conversion
US2011074504A1 Multi mode power output module and method of use with an rf signal amplification system
US2011076974A1 Flexible wireless network system and method of use
WO2010088113A2 Amplification system for interference suppression in wireless communications
WO2010088110A2 Amplification system for interference suppression in wireless communications
US2010079023A1 Repulsive force conversion drives and centrifugal force conversion
US2010130145A1 Amplification system for interference suppression in wireless communications
US2010130154A1 Amplification system for interference suppression in wireless communications
US2008296982A1 Remote electrical equipment power source
US7486003B1 Polymer bulk acoustic resonator
WO2005048395A2 A dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
US2005264378A1 Dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
EP1336219A2 A dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
US6975181B2 Dielectric resonator loaded metal cavity filter