Nagano, Japan

Lei Shi

This inventor holds 3 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lei Shi. Retrieved from https://idiyas.com/inventor/lei-shi-4egtdzzj

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 11(Granted Patents)


Location History:

  • Kami-ina-gun, JP (1999)
  • Nagano, JP (2000)
  • Hachioji, JP (2002)

Company Filing History:


Years Active: 1999-2002

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3 patents (USPTO):Explore Patents

Title: Innovations by Lei Shi in Camera Technology

Introduction

Lei Shi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of camera technology, holding a total of 3 patents. His work focuses on enhancing the functionality and safety of electronic equipment, particularly in cameras.

Latest Patents

One of Lei Shi's latest patents is for an electrostatic insulation system for an operating unit in electronic equipment. This invention involves a switch operating unit for a camera that includes an inner button, an outer button, and a dial for switch operation. A metal supporting plate is positioned beneath these components, which connects to a flexible printed circuit (FPC). This design ensures that any static electricity generated is directed to the ground, thereby protecting the electronic circuit elements mounted on the FPC.

Another significant patent is for a camera equipped with an ejector for a film cartridge. This camera utilizes a film cartridge that has an indicating section to show the exposed state of the film. The ejector within the film compartment prevents the mounting of the film cartridge under certain conditions, ensuring that it can only be mounted when it is in a non-exposed state. Additionally, the ejector facilitates the removal of the film cartridge when the camera cover is opened after photography is completed.

Career Highlights

Lei Shi is currently employed at Olympus Optical Company, Ltd., where he continues to innovate in the field of camera technology. His work has contributed to the advancement of user-friendly and safe camera designs.

Collaborations

Throughout his career, Lei Shi has collaborated with several talented individuals, including Masayu Higuchi and Hidenori Sakurai. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Lei Shi's contributions to camera technology through his patents demonstrate his commitment to enhancing electronic equipment safety and functionality. His work at Olympus Optical Company, Ltd. continues to influence the industry positively.

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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