Tokyo, Japan

Hiroshi Terai

This inventor holds 4 USPTO granted patents. Top assignee: Sumitomo Heavy Industries, Ltd.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Terai. Retrieved from https://idiyas.com/inventor/hiroshi-terai-768bf1zh

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Hiratsuka, JP (1986 - 1987)
  • Kanagawa-ken, JP (1998)
  • Tokyo, JP (2002)

Company Filing History:


Years Active: 1986-2002

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4 patents (USPTO):Explore Patents

Title: Innovations of Hiroshi Terai

Introduction

Hiroshi Terai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrostatic precipitation technology. With a total of 4 patents to his name, Terai continues to push the boundaries of innovation in his industry.

Latest Patents

Among his latest patents is the "Electric precipitator and electric precipitation electrode used for the same." This invention features a plurality of discharge electrodes grouped for respective gas passages defined by collecting electrodes. The discharge electrodes in each group are connected to a common power supply unit for receiving output voltage through a diode provided for each group. Additionally, the spark electrode is positioned to create sparks between a hammer in a passageway upon striking. Each group of discharge electrodes has a ground unit that is grounded just before the collecting electrodes on both sides are struck.

Another significant patent is the "Electric circuit for pulse energized electrostatic precipitator." This circuit includes an input terminal supplied with DC voltage and an output terminal connected to a precipitating capacitor. It also features a storage capacitor connected between ground potential and the input terminal, along with a recovery capacitor whose one electrode is applied with ground potential. The circuit further includes a current path switching unit and multiple current paths involving inductors and diodes for efficient operation.

Career Highlights

Hiroshi Terai is currently employed at Sumitomo Heavy Industries, Ltd., where he applies his expertise in developing advanced electrostatic precipitator technologies. His work has been instrumental in enhancing the efficiency and effectiveness of air purification systems.

Collaborations

Throughout his career, Terai has collaborated with talented individuals such as Takaaki Noda and Takuya Yamamoto. These collaborations have fostered a creative environment that has led to innovative solutions in their field.

Conclusion

Hiroshi Terai's contributions to electrostatic precipitation technology exemplify his commitment to innovation. His patents reflect a deep understanding of electrical engineering and environmental technology. As he continues to work at Sumitomo Heavy Industries, his future endeavors are anticipated to further advance 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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