logo

For the Inventor, By the Inventor

Taichung, Taiwan

Chih Kai Chang

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Orise Technology Co., Ltd.. Active years: 2014-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih Kai Chang. Retrieved from https://idiyas.com/inventor/chih-kai-chang-v4g0ly9d

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal2 out of 36 
 
Orise Technology Co., Ltd.
 patents

Years Active: 2014-2015

Loading Chart...
2 patents (USPTO):Explore Patents
1. 8928683 - Pixel data conversion apparatus and method for display with delta panel arrangement (2015-01-06),
2. 8774505 - Method and apparatus of fixed bit-rate image compression/decompression based on 2×2 image unit (2014-07-08),

Title: Innovations by Chih Kai Chang

Introduction

Chih Kai Chang is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of display technology and image processing. With a total of two patents to his name, Chang's work focuses on enhancing the efficiency and quality of visual data representation.

Latest Patents

Chang's latest patents include a "Pixel data conversion apparatus and method for display with delta panel arrangement." This innovative method converts an input video signal into a temporary video signal, which is then transformed into an output video signal with a specific RGB arrangement. The output video signal features a unique pixel arrangement that optimizes display quality.

Another significant patent is the "Method and apparatus of fixed bit-rate image compression/decompression based on 2×2 image unit." This method encodes images divided into 2×2 coding units, determining whether these units contain man-made patterns or natural patterns. The approach utilizes differential error encoding and various transformations to generate coded data, enhancing image compression efficiency.

Career Highlights

Chih Kai Chang is currently employed at Orise Technology Co., Ltd., where he continues to innovate in the field of technology. His work has been instrumental in developing advanced display and image processing techniques that are crucial for modern applications.

Collaborations

Throughout his career, Chang has collaborated with talented individuals, including his coworker Yu Li Wu. These collaborations

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…