Inventor · disambiguated record
Cheng Bu Heng
Also filed as: HENG CHENG BU
13 granted patents·7 pending applications·5 citations·filing 2019–2025
83Inventor score
Top patents by PatentIndex Score
20 records- 0186US11947147B2Optical device with microcrack resistance from surface roughness thereby reducing loss of lightTDK CORP·Filed 2022·Granted Apr 2, 2024·1 cites·13 claims
- 0285US12292627B2Optical deviceTDK CORP·Filed 2022·Granted May 6, 2025·1 cites·16 claims
- 0383US12498596B2Optical modulatorTDK CORP·Filed 2021·Granted Dec 16, 2025·1 cites·5 claims
- 0482US12271094B2Optical modulatorTDK CORP·Filed 2021·Granted Apr 8, 2025·1 cites·14 claims
- 0571US2025298299A1Optical device and imaging forming apparatusTDK CORP·Filed 2025·Application pending·0 cites
- 0670US11153691B2Thin-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 microphoneSAE MAGNETICS HK LTD·Filed 2019·Granted Oct 19, 2021·1 cites·17 claims
- 0769US12481100B2Optical device and optical modulatorTDK CORP·Filed 2023·Granted Nov 25, 2025·0 cites·10 claims
- 0868US12265257B2Optical modulatorTDK CORP·Filed 2022·Granted Apr 1, 2025·0 cites·5 claims
- 0967US2022317371A1Optical modulatorTDK CORP·Filed 2022·Application pending·0 cites
- 1067US2025334870A1Optical device, optical module and imaging deviceTDK CORP·Filed 2025·Application pending·0 cites
- 1165US12393090B2Optical deviceTDK CORP·Filed 2023·Granted Aug 19, 2025·0 cites·14 claims
- 1260US12164185B2Optical modulation elementTDK CORP·Filed 2021·Granted Dec 10, 2024·0 cites·13 claims
- 1359US2024329316A1Optical deviceTDK CORP·Filed 2024·Application pending·0 cites
- 1459US2024329307A1Optical deviceTDK CORP·Filed 2024·Application pending·0 cites
- 1555US12085791B2Optical waveguide element and optical modulation elementTDK CORP·Filed 2021·Granted Sep 10, 2024·0 cites·12 claims
- 1654US11425508B2Thin-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 microphoneSAE MAGNETICS HK LTD·Filed 2020·Granted Aug 23, 2022·0 cites·20 claims
- 1753US2024377696A1Optical deviceTDK CORP·Filed 2022·Application pending·0 cites
- 1851US11447388B2MEMS package, MEMS microphone and method of manufacturing the MEMS packageSAE MAGNETICS HK LTD·Filed 2020·Granted Sep 20, 2022·0 cites·11 claims
- 1950US12386212B2Electro-optical device including optical waveguide with slope change pointTDK CORP·Filed 2022·Granted Aug 12, 2025·0 cites·13 claims
- 2044US2023124507A1Electro-optical deviceTDK CORP·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Cheng Bu Heng files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →