HF

Hong-Sheng Fang

IT ITRI: 5 patents #1,457 of 9,619Top 20%
Overall (All Time): #1,033,423 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7278839 Multi-stage vacuum pump Ming-Hsin Liu, Tean-Mu Shen, Jung-Chen Chien, Jiun-Hung Chen 2007-10-09
6312242 Asymmetric double screw rotor assembly Chun-Chien Chen, Ming-Hsin Liu 2001-11-06
6257839 Double screw rotor assembly with electrically controlled clearance adjustment means Ming-Hsin Liu, Jiun-Hung Chen 2001-07-10
6257854 Double screw rotor assembly having means to automatically adjust the clearance by pressure difference Ming-Hsin Liu, Cheng-Chan Tsai 2001-07-10
6176694 Double screw rotor assembly Zhang-Hua Fong, Hann-Tsong Wang, Cheng-Chan Tsai, Jiun-Hung Chen, Ming-Fong Chen 2001-01-23