Inventor

Dong-Wan Chun

Inventor

Incheon, KR

Overview

2011–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 15 as inventor

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

H01Pprimary

H01PWaveguides78%

H03HImpedance networks, e.g. resonant circuits11%

H01RElectrically-conductive connections6%

LOC136%

PatentTitleYear

11,108,123Triple-mode dielectric resonator filter, method for manufacturing the same, and band pass filter using dielectric resonator and NRN stub2021 10,505,244RF cavity filter using elastic element and method for manufacturing the same2019 10,205,210Cavity filter including ceramic resonator2019 10,084,222RF filter for improving PIMD performance2018 9,991,577Cavity filter using cross-coupling2018 9,685,685'Variable bandwidth RF filter'2017 9,397,377'Cavity filter'2016 9,306,258'Mixed-mode cavity filter'2016 9,184,479'Multi mode filter for realizing wide band using capacitive coupling / inductive coupling and capable of tuning coupling value'2015 9,077,063'Wide-band multi-mode filter'2015 8,847,701'Miniaturized DC breaker'2014 8,704,617'Tunable filter for expanding the tuning range'2014 8,686,810'Frequency tuneable filter using a sliding system'2014 8,179,212'Frequency tunable filter'2012 D0646238'Strip pattern substrate for a filtering device'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2021Patents assigned to Ace tech corp (15)· patent assignee history

2011–2021Based in Incheon, KR· patent location history

2014–2015Patents assigned to CHUN DONG-WAN (5)· patent assignee history

2014Patents assigned to PARK KWANG-SUN (2)· patent assignee history

2014Patents assigned to SEO JAE-OK (2)· patent assignee history

2015Patents assigned to SHIN KI-SOO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
Ace tech corp	15	2011–2021
CHUN DONG-WANself	5	2014–2015
PARK KWANG-SUN	2	2014
SEO JAE-OK	2	2014
SHIN KI-SOO	2	2015

Locations

Location	Patents	Span
Incheon, KR	15	2011–2021