Ann Arbor, MI, United States of America

Byung Jin Chang

USPTO Granted Patents = 57 

Average Co-Inventor Count = 1.1

ph-index = 20

Forward Citations = 910(Granted Patents)

Forward Citations (Not Self Cited) = 877(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1981-2025

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Areas of Expertise:
Ergonomic Loupes
LED Illuminators
Head-Mounted Accessories
Optical Mounting Assembly
Medical Headlamps
Through-The-Lens Loupes
Adjustable Wire Arms
Telemicroscopic Loupes
Surgical Lighting
Voice-Controlled Operation
Optical Filters
Stable Spectacle Frames
57 patents (USPTO):Explore Patents

Title: Byung Jin Chang: Innovator in Optical Technologies

Introduction

Byung Jin Chang is a highly accomplished inventor based in Ann Arbor, MI, known for his significant contributions to optical technologies. With an impressive portfolio of 56 patents, Chang has established himself as a leading figure in innovation within the field.

Latest Patents

One of his latest patents is an innovative LED light incorporated into a multifunctional mounting assembly for wrap-around eyeglass frames. This optical mounting assembly is uniquely designed for use with wrap-around type eyeglass frames, utilizing a single sheet of curved lens material that forms both right and left lenses. These lenses can support through-the-lens (TTL) oculars or loupes. The assembly can attach to existing frames or be included with newly designed frames. It features a bridge portion where lens material is sandwiched between front and rear components, complemented by a nose pad component made from bendable wire arms, ensuring comfort through cushioning material. The front component may accommodate an illuminator or a video camera, while the rear component is adaptable for an optical accessory, such as a light-blocking or light-admitting filter.

Career Highlights

Throughout his career, Chang has contributed to notable companies including General Scientific Corporation and Kaiser Optical Systems Inc. These positions have allowed him to push the boundaries of optical innovation and further his research and development endeavors.

Collaborations

Chang's work has often involved collaboration with esteemed colleagues such as Thomas Allen Cummings and David Nowak. Their combined expertise and innovative spirit have fueled advancements in the optical field, leading to several groundbreaking inventions.

Conclusion

Byung Jin Chang is a brilliant inventor shaping the future of optical technologies through his innovative designs and patents. His dedication to improving eyeglass frames and optical accessories positions him as a key player in his field, paving the way for future advancements and offering practical solutions through his groundbreaking work.

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