Yokohama, Japan

Tetsuhiko Mizoguchi

This inventor holds 31 USPTO granted patents, primarily in Magnetic Devices. Top assignees: Kabushiki Kaisha Toshiba, Kawatetsu Mining Co., Ltd., Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1983-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuhiko Mizoguchi. Retrieved from https://idiyas.com/inventor/tetsuhiko-mizoguchi

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


% Patents Active = 93.5

Average Co-Inventor Count = 3.5

ph-index = 18

Forward Citations = 895(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1996)
  • Kanagawa-ken, JP (1996)
  • Yokohama, JP (1983 - 2005)

Company Filing History:


Years Active: 1983-2005

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Areas of Expertise:
Planar Magnetic Element
Thin Film
Magnetic Sensor
Power Supply
Permanent Magnet
Magnetic Alloy
Inductance Element
Magnetic Field Generator
Amorphous Magnetic Film
Magnetic Device
Magnetic Resonance Imaging
Rare Earth Magnet
31 patents (USPTO):Explore Patents

Title: The Innovations of Tetsuhiko Mizoguchi: A Pioneer in Surface Mount Technology

Introduction: Tetsuhiko Mizoguchi, based in Yokohama, Japan, is an esteemed inventor with an impressive portfolio of 31 patents. Mizoguchi's contributions to the field of surface mount technology have significantly advanced the efficiency and reliability of electronic devices. His latest innovations showcase not only his creative genius but also his commitment to improving existing technologies for modern applications.

Latest Patents: Among Mizoguchi's notable patents is the "Surface mounting type planar magnetic device and production method thereof." This invention introduces a highly efficient planar magnetic device comprising upper and lower ferrite magnetic films with a planar coil interposed between them. To utilize surface mount technology effectively, he designed an opening in the upper ferrite magnetic film above the coil terminal. This feature allows for an external electrode, which conducts with the coil terminal through the opening, to be formed on the upper ferrite layer. The resulting device is noted for its thin structure, small power loss, high inductance, excellent frequency characteristics, minimal disparity in performance, and outstanding reliability. This innovative approach represents a significant advancement in the manufacturing of electronic components.

Career Highlights: Throughout his career, Tetsuhiko Mizoguchi has been associated with reputable companies such as Kabushiki Kaisha Toshiba and Tokyo Shibaura Denki Kabushiki Kaisha. His experiences at these organizations have equipped him with valuable knowledge and expertise in the field of technology and patent development.

Collaborations: Mizoguchi's work has also involved collaboration with notable colleagues, including Toshiro Sato and Koichiro Inomata. These partnerships have fostered an environment of shared knowledge and innovation, contributing to the success of various projects and inventions throughout his illustrious career.

Conclusion: Tetsuhiko Mizoguchi continues to be a vital figure in the realm of surface mount technology and magnetic devices. His prolific invention record, including advancements in manufacturing processes, embodies the spirit of innovation. As technology evolves, Mizoguchi's contributions will undoubtedly leave a lasting impact on the industry, inspiring future inventors and innovators.

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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