Sendai, Japan

Tadashi Yamaguchi

This inventor holds 20 USPTO granted patents, primarily in Material Science. Top assignees: Ykk Corporation, Honda Giken Kogyo Kabushiki Kaisha, Yoshida Kogyo K.k.. Active years: 1984-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Yamaguchi. Retrieved from https://idiyas.com/inventor/tadashi-yamaguchi-avbaumir

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


% Patents Active = 80.0

Average Co-Inventor Count = 3.9

ph-index = 8

Forward Citations = 231(Granted Patents)


Location History:

  • Miyagi, JP (1995 - 1996)
  • Sendai, JP (1984 - 2003)
  • Saga-ken, JP (2004)
  • Kurobe, JP (2004 - 2010)

Company Filing History:


Years Active: 1984-2010

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Areas of Expertise:
Ultrafine Particles
Optical Connectors
Catalysts
Aluminum Alloys
Structural Members
Hard Films
Magnetically Traceable Explosives
Composite Materials
Antibacterial Materials
Optical Adapters
Physical Quantity Detectors
20 patents (USPTO):Explore Patents

Title: Innovations by Tadashi Yamaguchi: A Leader in Sensor and Optical Technologies

Introduction

Tadashi Yamaguchi is a prominent inventor based in Sendai, Japan, known for his remarkable contributions to the fields of sensors and optical technologies. With a total of 20 patents to his name, Yamaguchi has developed innovative solutions that have significantly impacted various industries, particularly in the areas of pressure and load sensing.

Latest Patents

Yamaguchi's latest patents reflect his deep understanding of physical quantity detection and optical adaptation. One of his notable inventions is the "Method for manufacture of a physical quantity detector," which details a unique design for sensors such as pressure and load detectors. This invention involves a cylindrical part with a strain generating section and a sensor component, produced by melting an alloying material to create an amorphous alloy. The process involves injecting the molten alloy into a metal mold and cooling it to achieve the desired properties.

Another significant invention is the "Conversion sleeve and optical adapter," designed to improve the functionality of optical connections. This invention features a conversion sleeve with various diameters and sophisticated engagement mechanisms for enhanced performance. The optical adapter is equipped with a split sleeve and an adapter housing that ensures secure retention and reliable optical connectivity.

Career Highlights

Throughout his career, Yamaguchi has collaborated with prominent companies, including YKK Corporation, where he further honed his invention skills. His work has been recognized for its ingenuity and practical applications, making him a key figure in the innovation landscape.

Collaborations

Yamaguchi has had the opportunity to work alongside talented individuals such as Akihisa Inoue and Katsutoshi Nosaki. These collaborations have led to the exchange of ideas and knowledge, further fostering innovations in their respective fields.

Conclusion

Tadashi Yamaguchi's innovative spirit and dedication to advancing technology have placed him at the forefront of invention in Japan. With a focus on sensor and optical device improvements, he continues to inspire future generations of inventors to explore the possibilities within their fields.

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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