CHANG; CHIEN-CHEN
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANG; CHIEN-CHEN.The latest application filed is for "method for tracking and positioning magnetic catheter and structure of magnetic catheter".
- CHANG; CHIEN-CHEN - TAINAN CITY TW
- Chang; Chien-Chen - Pintung TW
| Patent | Date |
|---|---|
| Method For Tracking And Positioning Magnetic Catheter And Structure Of Magnetic Catheter App 20180056039 - LUO; CHING-HSING ; et al. | 2018-03-01 |
| Method For Controlling Magnetic Catheter By Using Magnetic-field-generated Magnetic Annulus App 20180028782 - LUO; CHING-HSING ; et al. | 2018-02-01 |
| Method Of Operating An Endoscope By Changing Magnetic Field And Controlling Feeding And Rotation Of The Endoscope Synchronously App 20150366439 - LUO; CHING-HSING ; et al. | 2015-12-24 |
| Automatic stone-tracking system Grant 6,942,617 - Liang , et al. September 13, 2 | 2005-09-13 |
| Automatic stone-tracking system App 20030149352 - Liang, Shen-Min ; et al. | 2003-08-07 |
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