Changzhou, China

Kai Fei

This inventor holds 5 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd., Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd, Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kai Fei. Retrieved from https://idiyas.com/inventor/kai-fei

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 60.0

 

Average Co-Inventor Count = 2.2

ph-index = 1


Location History:

  • Changzhou, CN (2016 - 2020)
  • Jiangsu, CN (2017 - 2024)

Company Filing History:


Years Active: 2016-2026

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5 patents (USPTO):Explore Patents

Title: Innovations of Inventor Kai Fei

Introduction

Kai Fei is a notable inventor based in Changzhou, China. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on enhancing laser projection systems and improving optical path structures.

Latest Patents

One of his latest patents is an innovative optical path structure and laser light projector. This invention includes a laser emitter that emits laser light, along with several devices arranged sequentially along the optical path. The design features an aspherical mirror, a first beamsplitter, a second beamsplitter, a wedge-shaped mirror, and a cylindrical mirror. The advantages of this invention include minimizing interference with reflected light rays and eliminating breakpoints in the projected laser light line. Another significant patent is a laser level that comprises two laser modules, each with a laser diode and an optical unit. This design allows for precise collimation and shaping of the laser beam into a fan beam.

Career Highlights

Kai Fei has worked with prominent companies in the optical industry, including Changzhou Huada Kejie Opto-electro Instrument Co., Ltd. and Leica Geosystems AG. His experience in these organizations has contributed to his expertise in developing advanced optical technologies.

Collaborations

Throughout his career, Kai has collaborated with talented individuals such as Ou Zhang and Guanghua Ma. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Kai Fei's contributions to optical technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence advancements in laser projection 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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