Kawasaki, Japan

Taiji Sakai

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Electronic Devices. Top assignees: Fujitsu Corporation, Fict Limited, Fujitsu Interconnect Technologies Limited. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taiji Sakai. Retrieved from https://idiyas.com/inventor/taiji-sakai

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

USPTO Granted Patents = 23 

% Patents Active = 52.2

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 101(Granted Patents)


Location History:

  • Yokohama, JP (2014 - 2021)
  • Kawasaki, JP (2008 - 2023)

Company Filing History:


Years Active: 2008-2026

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Areas of Expertise:
Multilayer Substrate
Circuit Board
Electronic Device
Conductive Paste
Interposer
Semiconductor Device
Waveguide
Printed Wiring Board
Fabrication Method
Manufacturing Apparatus
Display Element
23 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Taiji Sakai**

Introduction

Taiji Sakai, based in Kawasaki, Japan, is an esteemed inventor known for his significant contributions to the field of waveguide technology. With a remarkable portfolio of 19 patents, Sakai has made strides in innovation that benefit multiple industries, particularly in the realms of telecommunications and electronics.

Latest Patents

Among his latest patents are innovative solutions such as the "Waveguide Member and Waveguide Layered Product," aimed at suppressing light interference that occurs between multiple waveguides while maximizing their density. The design features numerous cores that allow light transmission and incorporates a clad with a lower refractive index to enhance performance. Additionally, he holds a patent for a "Multilayer Substrate," which consists of several plates arranged in a thickness direction, interspersed with resin and conductive layers, ensuring that the thickness of these layers remains minimal compared to the total substrate thickness.

Career Highlights

Taiji Sakai has worked with prestigious organizations such as Fujitsu Corporation and Fujitsu Interconnect Technologies Limited. His experience with these leading technology companies has provided him with a solid foundation in research and development, allowing him to pioneer advancements in the field of waveguide technologies.

Collaborations

Throughout his career, Sakai has collaborated with talented professionals, including Masataka Mizukoshi and Nobuhiro Imaizumi. These partnerships have likely fostered an atmosphere of innovation that has been beneficial to both their careers and the projects they have undertaken together.

Conclusion

Taiji Sakai's dedication to inventing and improving technologies is evident in his extensive patent portfolio. His contributions, particularly in the areas of waveguide technology and multilayer substrates, showcase his commitment to innovation and excellence in engineering. As technology continues to advance, the impact of Sakai's work will remain significant in shaping the future of communications and electronic devices.

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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