Hyogo, Japan

Yoshiharu Tominaga

This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Kawasaki Steel Corporation. Active years: 1980-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Tominaga. Retrieved from https://idiyas.com/inventor/yoshiharu-tominaga

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 = 1.9

ph-index = 3

Forward Citations = 73(Granted Patents)


Location History:

  • Kobe, JP (1980)
  • Hyogo, JP (1987 - 1989)

Company Filing History:


Years Active: 1980-1989

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3 patents (USPTO):Explore Patents

Title: Innovations of Yoshiharu Tominaga

Introduction

Yoshiharu Tominaga is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of power systems and manufacturing processes. With a total of 3 patents to his name, Tominaga's work reflects his expertise and innovative spirit.

Latest Patents

One of Tominaga's latest inventions is the harmonic suppressing device. This device is designed to filter higher harmonic currents generated by sources in power systems, such as cycloconverters. It comprises a passive filter for high-order harmonics and an active filter for low-order harmonics. The active filter includes a main active filtering circuit with switching transistors and rectifying diodes, along with an operating circuit that calculates control data based on detected harmonic currents and output voltage. This device is capable of filtering higher harmonic currents across a wide frequency band.

Another significant invention is the tandem rolling control system. This system is utilized in tandem rolling mills to control interstand tension. It features a detector that measures the traveling speed of work between neighboring stands. The obtained speed value is processed alongside load and roll rotational speed values to determine the appropriate rotational speed of the rolls.

Career Highlights

Throughout his career, Yoshiharu Tominaga has worked with prominent companies such as Mitsubishi Electric Corporation and Kawasaki Steel Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in his field.

Collaborations

Tominaga has collaborated with notable coworkers, including Masatoshi Takeda and Kazuo Ikeda. Their combined expertise has likely influenced the success of his inventions.

Conclusion

Yoshiharu Tominaga's contributions to innovation in power systems and manufacturing processes are commendable. His patents reflect a deep understanding of technology and a commitment to improving industrial practices. His work continues to impact the field positively.

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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