CK

Chih-Han KO

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Changhua City, TW: #170 of 984 inventorsTop 20%
Overall (All Time): #1,108,687 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11998830 Swimming timer Wen-Shen KO, Wang-Hsiang KO 2024-06-04
11426598 Reusable adhesive pad with embedded magnets Wen-Shen KO, Wang-Hsiang KO, Wei-Chou Chen 2022-08-30
9303783 Control device for anti-freeze faucet 2016-04-05
9234333 Anti-freeze faucet 2016-01-12