Gunma, Japan

Masao Yoshida

This inventor holds 5 USPTO granted patents. Top assignee: Mitsuba Electric Manufacturing Co., Ltd.. Active years: 1992-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Yoshida. Retrieved from https://idiyas.com/inventor/masao-yoshida-7gqb8onp

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 = 3.3

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Nitta, JP (1992)
  • Yabutsukahon, JP (1993)
  • Gunma, JP (1993 - 1994)

Company Filing History:


Years Active: 1992-1994

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5 patents (USPTO):Explore Patents

Title: Masao Yoshida: Innovator in Mechanical Engineering

Introduction: Masao Yoshida, an accomplished inventor based in Gunma, Japan, holds five patents that reflect his expertise in mechanical engineering and innovative design. His contributions to the field have led to significant advancements, particularly in the development of devices that enhance operational efficiency and reliability.

Latest Patents: Among his notable inventions is the Reverse Rotation Preventing Device, which comprises a fixed ring, an input coupling, an output coupling, and reinforcing rings that serve to prevent reverse rotation of an output shaft by allowing controlled compression of a coil spring. This intricate design not only optimizes functionality but also ensures effective torque transmission.

Another significant creation is the Speed Reducing Device for Electrical Equipment, which incorporates dampers for shock absorption during power transmission. This device cleverly eliminates the need for additional metallic plates and bearings, showcasing Yoshida's ingenuity in simplifying mechanical structures while maintaining efficiency.

Career Highlights: Masao Yoshida is associated with Mitsuba Electric Manufacturing Co., Ltd., where he has consistently pushed the boundaries of invention. His expertise has played a crucial role in the company's innovative approach to electrical components and systems.

Collaborations: Throughout his career, Yoshida has worked alongside talented colleagues, including Noboru Miyata and Masami Miyazaki. Their collaborative efforts have fostered a dynamic environment for creative problem-solving and invention, contributing to the success of their projects.

Conclusion: Masao Yoshida's work in invention and innovation has established him as a noteworthy figure in the realm of mechanical engineering. His patents not only demonstrate technical proficiency but also reflect a commitment to enhancing the functionality and reliability of mechanical devices. As he continues his journey of innovation, Yoshida remains a key contributor to advancements within the industry.

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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