Hamamatsu, Japan

Hirofumi Ogawa

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Yutaka Giken. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Ogawa. Retrieved from https://idiyas.com/inventor/hirofumi-ogawa-7j5pwyuk

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 = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Hirofumi Ogawa: Innovator in Silencer Technology

Introduction

Hirofumi Ogawa is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of acoustic engineering, particularly in the design and functionality of silencers. His innovative approach has led to the development of a unique silencer that enhances performance while ensuring reliability.

Latest Patents

Hirofumi Ogawa holds a patent for a silencer that features an outer sleeve made of aluminum or an aluminum alloy, and an inner sleeve made of iron or steel. The design incorporates acoustic material inserted between the outer and inner sleeves, which improves sound dampening. The silencer includes an end cap that is constructed from both iron or steel and aluminum, allowing for a robust yet lightweight design. This innovative silencer can be securely attached to an exhaust pipe using clamping members made of iron or steel, ensuring dependability even under thermal expansion.

Career Highlights

Ogawa is associated with Kabushiki Kaisha Yutaka Giken, where he has been instrumental in advancing silencer technology. His work has not only contributed to the company's reputation but has also set new standards in the industry. With a focus on practical applications, Ogawa's inventions have garnered attention for their effectiveness and reliability.

Collaborations

Hirofumi Ogawa has collaborated with notable colleagues such as Akihiko Ohtaka and Nobuyuki Yoshitoshi. Their combined expertise has fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Hirofumi Ogawa's contributions to silencer technology exemplify the spirit of innovation. His patented designs reflect a commitment to enhancing performance and reliability in acoustic engineering. Through his work, Ogawa continues to influence the industry and inspire future inventors.

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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