Location History:
- Tu-Cheng, TW (2012 - 2014)
- New Taipei, TW (2014 - 2015)
Company Filing History:
3 out of 538 
1 out of 29 Years Active: 2012-2015
Title: The Innovations of Han-Zen Chang
Introduction
Han-Zen Chang is a notable inventor based in New Taipei, Taiwan. He has made significant contributions to the field of electronic devices, holding a total of four patents. His work focuses on enhancing user interfaces and communication device management.
Latest Patents
One of Han-Zen Chang's latest patents is an "Electronic device and method for displaying software input interface." This invention involves a method for displaying an input interface on a touch panel of an electronic device. It determines a first display area and a second display area based on touch ranges of operations on the panel. The method includes obtaining a first sub-keyboard and a second sub-keyboard, displaying the first sub-keyboard in the first area through a zoom operation, and similarly for the second sub-keyboard. Another significant patent is the "Power-on/off management system and method of communication device." This method manages the power state of a communication device by powering off the display screen and suspending the signal transmitting function when the power key is pressed while the device is on. It determines the duration of the display being powered off and activates the device based on this duration when the power key is pressed again.
Career Highlights
Han-Zen Chang has worked with prominent companies such as Chi Mei Communication Systems, Inc. and Chi Mei Communications Systems, Inc. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.
Collaborations
Some of his notable coworkers include Hsin-Chang Lai and Liu-Wei Wu. Their collaboration has likely played a role in the development of his patents and innovations.
Conclusion
Han-Zen Chang's contributions to electronic device innovation demonstrate his commitment to improving user experience and communication technology. His patents reflect a deep understanding of the needs in the tech industry, making him a significant figure in the field.