Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664815 | Flywheel energy storage device with a hubless ring-shaped rotor | Tetsuya Ishikawa | 2014-03-04 |
| 7815495 | Pad conditioner | Kun Xu, Jimin Zhang, James C. Wang, Thomas H. Osterheld, Yutao Ma +1 more | 2010-10-19 |
| 7749052 | Carrier head using flexure restraints for retaining ring alignment | Jeonghoon Oh, Hung Chih Chen, Samuel Chu-Chiang | 2010-07-06 |