Yokoze, Japan

Isao Ishiguchi

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Mining and Cement Co. Ltd.. Active years: 1984-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Ishiguchi. Retrieved from https://idiyas.com/inventor/isao-ishiguchi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Yokoze, JP (1984)
  • Chichibu, JP (1987)

Company Filing History:


Years Active: 1984-1987

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2 patents (USPTO):Explore Patents

Title: The Innovations of Isao Ishiguchi

Introduction

Isao Ishiguchi is a notable inventor based in Yokoze, Japan. He has made significant contributions to the field of dielectric materials and ceramic capacitors. With a total of 2 patents to his name, Ishiguchi's work has had a considerable impact on the industry.

Latest Patents

Ishiguchi's latest patents include a dielectric ceramic composition and a ceramic capacitor. The dielectric ceramic composition comprises (Pb,La)(Zr,Ti)O.sub.3 and Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 in a specific ratio. The ceramic capacitor features a polycrystalline ceramic dielectric material situated between conductive electrodes, with the dielectric material having a thickness of no more than 30 μm and a particle size not exceeding one fifth of that thickness.

Career Highlights

Ishiguchi is currently employed at Mitsubishi Mining and Cement Co. Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of ceramic materials in various applications.

Collaborations

Some of his notable coworkers include Noboru Tomuro and Shinjiro Tsujikawa. Their collaborative efforts have contributed to the success of various projects within the company.

Conclusion

Isao Ishiguchi's contributions to the field of dielectric materials and ceramic capacitors highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to excellence and a drive to push the boundaries of what is possible in material science.

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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