Zama, Japan

Shigeaki Sekiguchi

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignees: Fujitsu Corporation, Photonics Electronics Technology Research Association. Active years: 2005-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeaki Sekiguchi. Retrieved from https://idiyas.com/inventor/shigeaki-sekiguchi

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

USPTO Granted Patents = 9 

% Patents Active = 66.7

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 29(Granted Patents)


Location History:

  • Kawasaki, JP (2005 - 2013)
  • Zama, JP (2014 - 2018)

Company Filing History:


Years Active: 2005-2018

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9 patents (USPTO):Explore Patents

Title: Shigeaki Sekiguchi: Innovator in Optical Technologies

Introduction

Shigeaki Sekiguchi is a prominent inventor based in Zama, Japan. He has made significant contributions to the field of optical technologies, holding a total of 9 patents. His work focuses on advancing optical wiring and transmission methods, which are crucial for modern communication systems.

Latest Patents

Sekiguchi's latest patents include innovative designs such as an optical wiring module, an optical transceiver, and an optical coupling method. The optical wiring module features an optical wiring substrate that incorporates an optical waveguide with a light input/output part. This module also includes a fiber holder designed to securely hold an optical fiber. The substrate is equipped with a hydrophobic film that has an opening aligned with the light input/output part, along with a first adhesive layer within the opening. This design allows for effective optical coupling between the optical fiber and the light input/output part via the adhesive layer. Another notable patent is for an optical transmitter, which consists of a ring waveguide and an electrode positioned near the waveguide. This transmitter is designed to control the operation state effectively, utilizing a light source that supplies continuous wave light to the first waveguide.

Career Highlights

Throughout his career, Sekiguchi has worked with notable organizations, including Fujitsu Corporation and the Photonics Electronics Technology Research Association. His experience in these companies has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Sekiguchi has collaborated with several talented individuals in his field, including Shinsuke Tanaka and Suguru Akiyama. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Shigeaki Sekiguchi is a distinguished inventor whose work in optical technologies has led to numerous patents and advancements in the field. His contributions continue to influence the development of modern communication 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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