CH

Chung-Hsien Hsieh

📍 New Taipei, TW: #137 of 1,741 inventorsTop 8%
Overall (2024): #55,374 of 561,600Top 10%
4
Patents 2024

Issued Patents 2024

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12054988 Obstacle detection device and door operator system equipped with the same 2024-08-06
12012796 Door operator with an abnormal voltage protection function and method for protection of a door operator from an abnormal voltage 2024-06-18
12015369 Dual-voltage door operator control system 2024-06-18
11913272 Sectional lifting door system 2024-02-27