CK

Cheon Myeong Kim

EC Em-Tech Co.: 14 patents #1 of 70Top 2%
Overall (All Time): #341,998 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11696508 Sound vibration sensor using piezoelectric element having cantilever structure Byung Min Yu, Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung 2023-07-04
11462199 Hybrid actuator and multimedia apparatus having the same Sung Chul Jung, Seul Ki Nam 2022-10-04
11425487 Translation system using sound vibration microphone Byung Min Yu, Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee 2022-08-23
11337006 Microspeaker used in microspeaker box filled with porous particles Sung Chul Jung, Sung Jin Hong 2022-05-17
11302861 Hybrid actuator having a flexible printed circuit board for applying an electric current to a piezoelectric element and a coil inside a housing of the hybrid actuator Ji-Young Lee, Byung Ho Jung 2022-04-12
11206490 Sound generating actuator Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung 2021-12-21
11206500 Bone conduction speaker Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung, Sung Jin Hong 2021-12-21
11115754 Actuator Jeong Ae Ha, Kyeong Min LEE 2021-09-07
11102573 High-water pressure waterproof microspeaker Sung Chul Jung, Sung Jin Hong 2021-08-24
10728672 Sound converter Sung Chul Jung, Seul Ki Nam, Gyung Bo Ha 2020-07-28
10516945 High power microspeaker with sub-diaphragm Ji Hoon Kim, Sung Chul Jung, Seul Ki Nam 2019-12-24
9900703 Suspension for high power micro speaker and high power micro speaker having the same Kyu Dong Choi, In Ho Jeong 2018-02-20
9025808 High-output microspeaker Joong Hak Kwon, Ji Hoon Kim, Kyu Dong Choi 2015-05-05
8150076 Sound converter with enclosure Seung Kiu Jeong, Dong-Kyu Lee 2012-04-03