HC

Hwee Hong Chew

SP Semb-Eco R&D Pte: 4 patents #1 of 2Top 50%
📍 Singapore, WA: #1 of 14 inventorsTop 8%
Overall (2020): #53,919 of 565,922Top 10%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10858268 Method and system for applying superimposed time-varying frequency electromagnetic wave to target object or target region Poh Kwee Ong 2020-12-08
10807886 Method and system for applying superimposed time-varying frequency electromagnetic wave for corrosion protection of submerged and/or buried structures Poh Kwee Ong 2020-10-20
10561986 Method and system for applying superimposed time-varying frequency electromagnetic wave to water to effect various treatment functions Poh Kwee Ong 2020-02-18
10532318 Method and system for applying superimposed time-varying frequency electromagnetic wave for marine ballast water bio-fouling control Poh Kwee Ong 2020-01-14