Osaka, Japan

Shunji Hamaoka

This inventor holds 12 USPTO granted patents and 2 published patent applications and 7 EPO patents. Top assignees: Yanmar Co., Ltd., Yanmar Power Technology Co., Inc., Yanmar Holdings Co., Ltd.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunji Hamaoka. Retrieved from https://idiyas.com/inventor/shunji-hamaoka

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

USPTO Granted Patents = 12 

% Patents Active = 91.7

 

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 127(Granted Patents)


Company Filing History:


Years Active: 2003-2026

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12 patents (USPTO):Explore Patents

Title: Shunji Hamaoka: Innovator in Exhaust Gas Purification

Introduction

Shunji Hamaoka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 11 patents. His innovative designs focus on improving environmental sustainability through advanced technology.

Latest Patents

Hamaoka's latest patents include an exhaust gas purifier and a ship equipped with multiple engines and exhaust gas purifiers. The exhaust gas purifier features a casing that houses SCR catalysts, which selectively reduce NOx emissions in exhaust gases. Additionally, the ship design incorporates several exhaust gas purifiers, each with a purification catalyst, ensuring efficient exhaust management.

Career Highlights

Throughout his career, Hamaoka has worked with notable companies such as Yanmar Co., Ltd. and Yanmar Power Technology Co., Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in exhaust gas purification technology.

Collaborations

Hamaoka has collaborated with talented individuals in his field, including Tetsuya Yokoyama and Tsuyoshi Inoue. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Shunji Hamaoka's work in exhaust gas purification exemplifies his commitment to innovation and environmental responsibility. His patents and collaborations highlight his significant impact on 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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