Tsukuba, Japan

Tsuyoshi Yamada

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Yamada. Retrieved from https://idiyas.com/inventor/tsuyoshi-yamada-pb6g4cce

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 2022

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: **Innovative Contributions of Tsuyoshi Yamada in Hydraulic Machinery**

Introduction

Tsuyoshi Yamada, an accomplished inventor based in Tsukuba, Japan, has made significant contributions to the field of hydraulic machinery. With a focus on enhancing the performance and efficiency of hydraulic systems, Yamada has secured a patent that showcases his innovative approach to design and functionality.

Latest Patents

Yamada holds a patent for an **Axial Piston-Type Hydraulic Rotary Machine**. This invention involves the formation of a nitriding layer on the front surface side of a cylinder block, which encompasses an opening side end surface and each cylinder hole. The piston sliding surface of each cylinder hole is crafted as a compound layer-removed hole through the removal of a compound layer via polishing means such as honing. Additionally, a tapered-state inclined surface is created at the intersection of the compound layer-removed hole and the cylinder inlet side tapered surface of each cylinder hole.

Career Highlights

Currently employed at Hitachi Construction Machinery Co., Ltd., Tsuyoshi Yamada has leveraged his skills in engineering and innovation to develop hydraulic systems that meet modern industrial demands. His expertise and inventive spirit are evident in the patent he holds, which reflects years of dedicated work in the field.

Collaborations

Throughout his career, Tsuyoshi has collaborated with notable coworkers such as Yoshitomo Yabuuchi and Naoyuki Okuno. These collaborations have likely enhanced his innovative projects and contributed to the development of advanced hydraulic technologies.

Conclusion

In summary, Tsuyoshi Yamada is a prominent inventor whose work in hydraulic machinery represents a blend of practical engineering and innovative design. His patent for an axial piston-type hydraulic rotary machine demonstrates his commitment to improving machinery performance, positioning him as a valuable asset to Hitachi Construction Machinery Co., Ltd. and the broader engineering community.

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]
Loading…