LexDanaLexDanabeta
Inventor

Cheon Myeong Kim

Inventor
Kyungki-do, KR

Overview

8→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers54%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general8%
H01FMagnets8%
H02KDynamo-electric machines8%
H04BTransmission8%
H04MTelephonic communication8%
H05KPrinted circuits8%
PatentTitleYear
11,115,754Actuator202111,102,573High-water pressure waterproof microspeaker202110,728,672Sound converter202010,516,945High power microspeaker with sub-diaphragm20199,900,703'Suspension for high power micro speaker and high power micro speaker having the same'20189,693,145'Suspension for high power micro speaker and high power micro speaker having the same'20179,025,808'High-output microspeaker'20158,150,076'Sound converter with enclosure'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to EM TECH CO LTD (7)· patent assignee history
2012Patents assigned to JEONG SEUNG-KIU (1)· patent assignee history
2012Based in Gimhae-si, KR· patent location history
2015–2018Patents assigned to CHOI KYU DONG (2)· patent assignee history
2015–2018Patents assigned to KIM CHEON MYEONG (2)· patent assignee history
2015–2021Based in Kyungki-do, KR· patent location history
2018Patents assigned to JEONG IN HO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EM TECH CO LTD72012–2021
CHOI KYU DONG22015–2018
KIM CHEON MYEONGself22015–2018
JEONG IN HO12018
JEONG SEUNG-KIU12012
Locations
LocationPatentsSpan
Kyungki-do, KR62015–2021
Gimhae-si, KR12012