Tokyo, Japan

Tetsuya Yasunaka

This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Seimitsu Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Yasunaka. Retrieved from https://idiyas.com/inventor/tetsuya-yasunaka

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 = 10.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Tetsuya Yasunaka: Innovator in Wafer Test Systems

Introduction

Tetsuya Yasunaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor testing through his innovative designs and patents. His work focuses on improving the efficiency and accuracy of wafer testing systems.

Latest Patents

Tetsuya Yasunaka holds a patent for a wafer test system, which includes a prober that holds a semiconductor wafer and a probe card with probe needles. This system allows for the inspection of semiconductor chips formed on the wafer. The patent also describes an overhead hoist transport that delivers and withdraws cassettes containing multiple semiconductor wafers for inspection. Additionally, it features a conveying control unit that manages the movement of the probe card between its replacement position and storage, as well as a card conveying mechanism that facilitates the transfer of the probe card within the prober.

Career Highlights

Yasunaka is associated with Tokyo Seimitsu Co., Ltd., a company known for its advancements in semiconductor manufacturing equipment. His work has contributed to the development of more efficient testing processes, which are crucial for ensuring the quality of semiconductor devices.

Collaborations

Tetsuya Yasunaka collaborates with talented coworkers, including Akira Yamaguchi and Yuta Sato. Their combined expertise enhances the innovation and development of new technologies in the semiconductor industry.

Conclusion

Tetsuya Yasunaka's contributions to wafer test systems exemplify the importance of innovation in the semiconductor field. His patent and collaborative efforts continue to drive advancements in technology, ensuring the reliability of semiconductor devices.

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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