Gifu, Japan

Masao Ishigure

This inventor holds 1 USPTO granted patent. Top assignee: Takamatsu Electric Works, Ltd.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Ishigure. Retrieved from https://idiyas.com/inventor/masao-ishigure

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 = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Masao Ishigure: Innovator in Overcurrent Condition Display Technology

Introduction

Masao Ishigure is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of devices that enhance safety and efficiency in electrical systems.

Latest Patents

Ishigure holds a patent for an innovative overcurrent condition display. This device is designed to be suspended directly from a distribution cable, allowing for the display of overcurrent conditions in the cable. It aids in promptly locating spots of accidents caused by overcurrent conditions. The patent describes a current sensor section that includes a current transformer, a drive section with a drive element activated by the sensed overcurrent, and a force storage member that acts as a restoring mechanism. The display section features a display tube with a transparent bottom, containing a viscous fluid and a display element that moves vertically through the fluid. The overcurrent condition is indicated when the display element is hoisted, while a normal condition is shown when the element descends slowly due to gravity and fluid resistance.

Career Highlights

Masao Ishigure is associated with Takamatsu Electric Works, Ltd., where he has contributed to various projects and innovations. His work focuses on improving electrical safety and monitoring systems, which are crucial in preventing electrical accidents.

Collaborations

Ishigure has collaborated with notable colleagues, including Mitsuo Ota and Naotoshi Takaoka. Their combined expertise has fostered advancements in electrical engineering and safety technologies.

Conclusion

Masao Ishigure's contributions to the field of electrical engineering, particularly through his patent for an overcurrent condition display, highlight his innovative spirit and commitment to safety. His work continues to influence the industry and improve electrical monitoring 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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