Taichung, Taiwan

Zhang-Ming Chang

This inventor holds 2 USPTO granted patents. Top assignees: Asia Optical Co., Ltd., Asia Optical International Ltd., Sintai Optical (Shenzhen) Co., Ltd.. Active years: 2015-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zhang-Ming Chang. Retrieved from https://idiyas.com/inventor/zhang-ming-chang

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2015-2019

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2 patents (USPTO):Explore Patents

Title: Innovations by Zhang-Ming Chang

Introduction

Zhang-Ming Chang is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of optical devices, holding a total of 2 patents. His work primarily focuses on enhancing the functionality and precision of rangefinding technologies.

Latest Patents

Zhang-Ming Chang's latest patents include a binoculars rangefinder and a rangefinder for measuring distances. The binoculars rangefinder features a central shaft, two eyepieces, two objective lenses, and two prism modules. It is designed to allow a first light beam reflected by an object to pass through the eyepieces. The optical transmitter emits a second light beam to the object, while the optical receiver captures the reflected beam. The rangefinder for measuring distances consists of a case that houses a refractor, a measuring light source, a light receiver, a receiving lens, a reference light source, and a reflector. This device measures the distance to an object by utilizing light reflection and refraction.

Career Highlights

Throughout his career, Zhang-Ming Chang has worked with prominent companies in the optical industry, including Asia Optical Co., Ltd. and Sintai Optical (Shenzhen) Co., Ltd. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Zhang-Ming has collaborated with notable colleagues such as Hua-Tang Liu and Yue-Ye Chen. These partnerships have likely fostered a creative environment that encourages innovation and the development of advanced optical solutions.

Conclusion

Zhang-Ming Chang's contributions to optical technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in rangefinding devices and optical systems.

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]
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