Tsann-Heui Chang

Person

Taichung City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Device and method for capturing biological tissues
- Patent number 6,908,766
- Issue date Jun 21, 2005
- Industrial Technology Research Institute
- Yung-Feng Nien
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for automatically dynamically adjusting prestr...
- Patent number 6,817,774
- Issue date Nov 16, 2004
- Industrial Technology Research Institute
- Jinn-Fa Wu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gantry type hybrid parallel linkage five-axis machine tool
- Patent number 6,719,506
- Issue date Apr 13, 2004
- Industrial Technology Research Institute
- Tsann-Huei Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Active piezoelectric spindle bearing preload adjustment mechanism
- Patent number 6,422,757
- Issue date Jul 23, 2002
- Industrial Technology Research Inst.
- Tung-Chuan Wu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shaft having thermal expansion, thermal pre-load yielding and dynam...
- Patent number 6,398,418
- Issue date Jun 4, 2002
- Industrial Technology Research Institute
- Tsann-Huei Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor main shaft provided with fast cooling means
- Patent number 6,373,158
- Issue date Apr 16, 2002
- Industrial Technology Research Institute
- Jih-Jong Hsu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Composite mechanism multi-axis machine tool
- Patent number 6,048,143
- Issue date Apr 11, 2000
- Industrial Technology Research Institute
- Tsann-Huei Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Parallel conjugate cam type tool magazine mechanism
- Patent number 5,424,621
- Issue date Jun 13, 1995
- Industrial Technology Research Institute
- Yaw-Der Hwang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Coolant through spindle device
- Patent number 5,327,979
- Issue date Jul 12, 1994
- Industrial Technology Research Institute
- Chen-Chung Du
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Device and method for capturing biological tissues
- Publication number 20040077032
- Publication date Apr 22, 2004
- Yung-Feng Nien
- G01 - MEASURING TESTING
Information Patent Application
Gantry type hybrid parallel linkage five-axis machine tool
- Publication number 20030077139
- Publication date Apr 24, 2003
- Tsann-Huei Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and apparatus for automatically dynamically adjusting prestr...
- Publication number 20020186909
- Publication date Dec 12, 2002
- Jinn-Fa Wu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Active piezoelectric spindle bearing preload adjustment mechanism
- Publication number 20020076127
- Publication date Jun 20, 2002
- Tung-Chuan Wu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Tsann-Heui Chang

Person

Patents Grantslast 30 patents

Device and method for capturing biological tissues

Method and apparatus for automatically dynamically adjusting prestr...

Gantry type hybrid parallel linkage five-axis machine tool

Active piezoelectric spindle bearing preload adjustment mechanism

Shaft having thermal expansion, thermal pre-load yielding and dynam...

Motor main shaft provided with fast cooling means

Composite mechanism multi-axis machine tool

Parallel conjugate cam type tool magazine mechanism

Coolant through spindle device

Patents Applicationslast 30 patents

Device and method for capturing biological tissues

Gantry type hybrid parallel linkage five-axis machine tool

Method and apparatus for automatically dynamically adjusting prestr...

Active piezoelectric spindle bearing preload adjustment mechanism