Nagano, Japan

Sadao Yamada

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadao Yamada. Retrieved from https://idiyas.com/inventor/sadao-yamada-9twc65wz

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 = 4.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Sadao Yamada - Innovator in Turret Apparatus Technology

Introduction

Sadao Yamada is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of machinery with his innovative designs. His work primarily focuses on turret apparatus technology, which enhances the efficiency of automatic tool changers.

Latest Patents

Yamada holds a patent for a turret apparatus that features a unique design. The turret head is rotatably mounted on a body and includes two main shafts positioned 180 degrees apart around a rotary shaft. These main shafts are arranged at a 90-degree intersection angle, allowing for horizontal alignment in the turret head's indexing position. The design ensures that one main shaft is operational while the other remains in standby mode. An automatic tool changing arm and a tool stocker are strategically placed on the standby side of the main shaft, optimizing the tool changing process.

Career Highlights

Sadao Yamada is associated with Kabushiki Kaisha Sankyo Seiki Seisakusho, where he has contributed to various projects and innovations. His expertise in turret apparatus technology has positioned him as a key figure in the company. Yamada's work has not only advanced the company's capabilities but has also influenced the broader industry.

Collaborations

Yamada has worked alongside talented colleagues such as Kazuharu Saito and Masao Hiraguri. Their collaborative efforts have led to advancements in machinery and tool changing technologies.

Conclusion

Sadao Yamada's contributions to turret apparatus technology exemplify his innovative spirit and dedication to enhancing machinery efficiency. His patent and collaborative work continue to influence the industry positively.

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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