Chikoyo, Japan

Yoshihisa Ishikawa

This inventor holds 1 USPTO granted patent. Top assignee: Yanmar Power Technology Co., Inc.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Ishikawa. Retrieved from https://idiyas.com/inventor/yoshihisa-ishikawa-mtw9p35a

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 = 1.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Innovations by Yoshihisa Ishikawa

Introduction

Yoshihisa Ishikawa is a notable inventor based in Chikoyo, Japan. He has made significant contributions to the field of construction machinery, particularly in the area of emission control. His innovative designs aim to enhance the efficiency and environmental performance of construction equipment.

Latest Patents

Ishikawa holds a patent for a construction machine emission device. This invention involves a pivoting work vehicle that includes an engine, an exhaust gas treatment apparatus, and a hood. The exhaust gas treatment apparatus is specifically designed to treat exhaust gas emitted from the engine. The hood serves to cover both the engine and the exhaust gas treatment apparatus. The treatment apparatus consists of a Diesel Particulate Filter (DPF) device and a Selective Catalytic Reduction (SCR) device. The exhaust gas is first treated by the DPF device and subsequently by the SCR device. Notably, both devices are arranged so that their lengthwise directions align vertically, and they are positioned side-by-side in a direction orthogonal to the vertical axis.

Career Highlights

Yoshihisa Ishikawa is currently associated with Yanmar Power Technology Co., Inc. His work at this company has allowed him to focus on developing advanced technologies that improve the performance and sustainability of construction machinery. His dedication to innovation has positioned him as a key figure in the industry.

Conclusion

Yoshihisa Ishikawa's contributions to construction machinery through his innovative emission control technologies reflect his commitment to enhancing environmental standards in the industry. His patent for the construction machine emission device showcases his expertise and dedication to creating more efficient and cleaner machinery.

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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