Location History:
- Taoyuan, TW (2016)
- Jhongli, TW (2014 - 2017)
Company Filing History:
3 out of 405 
1 out of 832,718 Years Active: 2014-2017
Title: Hsiang-Chih Chang: Innovator in Atrial and Ventricular Fibrillation Detection
Introduction
Hsiang-Chih Chang is a notable inventor based in Jhongli, Taiwan. He has made significant contributions to the field of medical technology, particularly in the detection and characterization of atrial and ventricular fibrillation. With a total of 4 patents, his work has the potential to enhance patient care in cardiology.
Latest Patents
Chang's latest patents include innovative methods for identifying critical regions in atrial fibrillation. His first patent describes a computer-assisted method for quantitatively characterizing atrial fibrillation by identifying rotors in a directional similarity vector field. This method involves recording time series of bipolar atrial fibrillation signals at multiple sites, calculating a similarity index vector, and determining critical regions in the patient's atria based on specific thresholds.
Another significant patent focuses on extracting ventricular fibrillation signals from electrocardiograms using spline interpolation with uniform phase ensembles. This invention provides a systematic approach to extracting ventricular fibrillation signals during uninterrupted cardiopulmonary resuscitation (CPR). The method includes receiving an ECG signal, applying shadowing functions, and utilizing empirical mode decomposition to generate intrinsic mode functions for accurate signal extraction.
Career Highlights
Hsiang-Chih Chang has worked at National Central University, where he has contributed to research and development in medical technology. His expertise in signal processing and cardiology has positioned him as a key figure in advancing methods for diagnosing heart conditions.
Collaborations
Chang has collaborated with notable colleagues, including Men-Tzung Lo and Chen Lin. Their combined efforts have furthered the development of innovative solutions in the field of cardiology.
Conclusion
Hsiang-Chih Chang's contributions to the detection of atrial and ventricular fibrillation through his patents demonstrate his commitment to improving medical technology. His work not only enhances diagnostic capabilities but also has the potential to significantly impact patient outcomes in cardiology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.