Tokyo, Japan

Keiji Enomoto

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Ricoh Company, Ltd., Sony Corporation. Active years: 1989-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Enomoto. Retrieved from https://idiyas.com/inventor/keiji-enomoto

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 130(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 1996)
  • Oume, JP (2003)

Company Filing History:


Years Active: 1989-2003

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Keiji Enomoto

Introduction

Keiji Enomoto, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of optical systems through his groundbreaking inventions. With a portfolio of four patents, he has demonstrated creativity and technical prowess, particularly in the development of advanced camera accessories and optical technologies.

Latest Patents

Enomoto's latest innovations include a **Waterproof Case for Camera** and a **Lens Body Tube with Built-In Converter Lens**. The waterproof case is designed to securely contain a camera while allowing for free insertion and removal, featuring an integrated optical system that serves as a conversion lens for the photographic lens. This design not only protects the camera from water damage but also enhances its functionality.

The lens body tube invention addresses the complexities of zooming optical systems. It allows a zooming motor's rotational force to move and rotate various components along the optical axis, ultimately providing a super short focal length that enhances the optical performance. This innovation showcases Enomoto's ability to merge mechanical engineering with optical design, creating solutions that push the boundaries of existing technologies.

Career Highlights

Throughout his career, Keiji Enomoto has worked with renowned companies such as Ricoh Company, Ltd., and Sony Corporation. His experience at these industry-leading firms has greatly influenced his inventive process and enabled him to create technologies that are both practical and innovative. Enomoto's work reflects a deep understanding of the challenges in camera technology and optical systems, allowing him to develop products that meet the demands of modern photography.

Collaborations

Enomoto has collaborated with fellow innovator Takashi Shimamura, combining their expertise to further enhance their inventions. Their partnership highlights the significance of collaboration in the innovation process, as it brings together diverse skills and perspectives to solve complex engineering challenges.

Conclusion

Keiji Enomoto stands out as an exceptional inventor with a strong focus on optical technology and camera accessories. His latest patents, along with his impressive career and collaborations, underscore his commitment to innovation and his impact on the industry. With continuous advancements and creative solutions, Enomoto is poised to remain a key figure in the evolution of camera technology.

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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