Shimizu, Japan

Hiroki Sugawara

This inventor holds 4 USPTO granted patents and 2 EPO patents. Top assignees: Usui Kokusai Sangyo Kaisha Limited, Usui Co., Ltd., Usui Kokusai Sangyo Kaisha Limitd. Active years: 2015-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Sugawara. Retrieved from https://idiyas.com/inventor/hiroki-sugawara-6ntuo0dh

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

Calculating rank

% Patents Active = 75.0


Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Shizuoka, JP (2015)
  • Shimizu-cho, JP (2016 - 2020)

Company Filing History:


Years Active: 2015-2020

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4 patents (USPTO):Explore Patents

Title: Hiroki Sugawara: Innovator in Fan Clutch Technology

Introduction

Hiroki Sugawara is a notable inventor based in Shimizu-cho, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of fan clutch devices. With a total of 4 patents to his name, Sugawara's innovations have enhanced the efficiency and functionality of cooling systems.

Latest Patents

One of Sugawara's latest patents is an external control type fan clutch device. This device features an electromagnet fixed to a rotating shaft, which is energized to activate a valve member made of a plate spring and an armature. This innovative design allows for the external control of the opening and closing of an oil circulating flow passage. Another notable patent is also an external-control type fan clutch device, which effectively suppresses unnecessary rotation of a cooling fan during the activation of a rotary shaft. This device includes a valve member that controls the oil circulating flow passage hole, ensuring optimal performance regardless of the stop positions of the oil supply and recovery ports.

Career Highlights

Throughout his career, Hiroki Sugawara has worked with Usui Kokusai Sangyo Kaisha Limited, where he has contributed to various projects and innovations. His work has been instrumental in advancing fan clutch technology, making significant impacts in the automotive and machinery sectors.

Collaborations

Sugawara has collaborated with notable colleagues such as Satoshi Kubota and Masato Yamada. These partnerships have fostered a creative environment that has led to the development of innovative solutions in their field.

Conclusion

Hiroki Sugawara's contributions to fan clutch technology exemplify his dedication to innovation and engineering excellence. His patents reflect a commitment to improving mechanical systems, and his collaborations have further enriched the field.

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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