Inventor
HENG CHENG BU
CN14 patents
⚠️ This page may combine multiple inventors who share the name “HENG CHENG BU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
11 patentsUS12498596B2Dec 16, 2025
Optical modulator
TDK CORP1 citations63
US12292627B2May 6, 2025
Optical device
TDK CORP1 citations63
US12271094B2Apr 8, 2025
Optical modulator
TDK CORP1 citations63
US12164185B2Dec 10, 2024
Optical modulation element
TDK CORP0 citations62
US12529841B2Jan 20, 2026
Electro-optic device
TDK CORP0 citations61
US12481100B2Nov 25, 2025
Optical device and optical modulator
TDK CORP0 citations61
US12393090B2Aug 19, 2025
Optical device
TDK CORP0 citations61
US11947147B2Apr 2, 2024
Optical device with microcrack resistance from surface roughness thereby reducing loss of light
TDK CORP1 citations61
US12386212B2Aug 12, 2025
Electro-optical device including optical waveguide with slope change point
TDK CORP0 citations51
US12265257B2Apr 1, 2025
Optical modulator
TDK CORP0 citations51
US12085791B2Sep 10, 2024
Optical waveguide element and optical modulation element
TDK CORP0 citations51
SAE MAGNETICS HK LTD
3 patentsUS11447388B2Sep 20, 2022
MEMS package, MEMS microphone and method of manufacturing the MEMS package
SAE MAGNETICS HK LTD0 citations61
US11153691B2Oct 19, 2021
Thin-film filter, thin-film filter substrate, method of manufacturing the thin-film filter, method of manufacturing the thin-film filter substrate, MEMS microphone and method of manufacturing the MEMS microphone
SAE MAGNETICS HK LTD1 citations61
US11425508B2Aug 23, 2022
Thin-film filter, thin-film filter substrate, method of manufacturing the thin-film filter, method of manufacturing the thin-film filter substrate, MEMS microphone and method of manufacturing the MEMS microphone
SAE MAGNETICS HK LTD0 citations60