Tokyo, Japan

Jun Endo

This inventor holds 16 USPTO granted patents and 7 published patent applications, primarily in Optical Devices. Top assignees: Nippon Telegraph and Telephone Corporation, Asahi Glass Company, Limited, Agc Inc.. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Endo. Retrieved from https://idiyas.com/inventor/jun-endo-lldngw5f

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 81.3

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 147(Granted Patents)


Location History:

  • Musashino, JP (2015)
  • Chiyoda-ku, JP (2012 - 2019)
  • Tokyo, JP (2013 - 2024)

Company Filing History:


Years Active: 2012-2025

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Areas of Expertise:
Lens Structure
Optical Device
Optical Connection
Optical Fiber
Analysis Device
Waveguide Connection
Phase Modulation
Chemically Tempered Glass
Glass Substrate
Information Recording
Magnetic Disk
16 patents (USPTO):Explore Patents

Title: Jun Endo: Innovator in Optical Technologies

Introduction

Jun Endo is a prominent inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of optical technologies, holding a total of 16 patents. His innovative work focuses on lens structures and optical devices that enhance the performance of optical systems.

Latest Patents

One of his latest patents is a lens structure and optical connection structure. This invention features a microlens portion with a double-sided asymmetric aspherical shape. It includes a refraction surface on both the illuminant and emission sides, designed to optimize light transmission. Additionally, he has developed an optical device that incorporates a first lens, a second lens, and an adjustment platform. This device is engineered to enlarge the mode field diameter of light guided through an optical waveguide, improving the efficiency of light collection.

Career Highlights

Throughout his career, Jun Endo has worked with notable companies such as Nippon Telegraph and Telephone Corporation and Asahi Glass Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.

Collaborations

He has collaborated with esteemed colleagues, including Atsushi Aratake and Tetsuya Nakashima. Their joint efforts have further propelled innovations in the optical field.

Conclusion

Jun Endo's contributions to optical technologies through his patents and collaborations highlight his role as a leading inventor in this domain. His work continues to influence advancements in optical devices and structures.

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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