Nagano, Japan

Yasushi Tsuji

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Sony Corporation. Active years: 2013-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Tsuji. Retrieved from https://idiyas.com/inventor/yasushi-tsuji

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

USPTO Granted Patents = 5 

% Patents Active = 20.0


Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Tokyo, JP (2013)
  • Nagano, JP (2016 - 2017)

Company Filing History:


Years Active: 2013-2017

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5 patents (USPTO):Explore Patents

Title: Yasushi Tsuji: Innovator in Keyboard Technology

Introduction

Yasushi Tsuji is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of keyboard technology, holding a total of 5 patents. His work focuses on enhancing user experience through innovative designs and functionalities.

Latest Patents

One of Tsuji's latest patents is a keyboard device that features a plurality of key tops equipped with magnets. This design allows the key tops to be depressible, while an opposing member is positioned to face these key tops, incorporating wired signal lines. The design includes openings that correspond to the positions of the magnets when the keys are pressed, ensuring that the signal lines are wired while avoiding these openings. Another notable patent is for a magnetic circuit and key input device. This invention includes a first magnetic body that consists of a magnet and a yoke plate, along with a second magnetic body. The yoke plate is designed to form an opening space facing the second magnetic body, with the magnet positioned either in this opening space or sandwiched between the yoke plates.

Career Highlights

Yasushi Tsuji is currently employed at Sony Corporation, where he continues to innovate and develop new technologies. His work at Sony has allowed him to explore various aspects of keyboard design and functionality, contributing to the company's reputation for cutting-edge technology.

Collaborations

Tsuji has collaborated with notable coworkers such as Junichiro Misawa and Shuichi Chihara. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Yasushi Tsuji is a key figure in the realm of keyboard innovation, with a focus on enhancing user interaction through his patented designs. His contributions at Sony Corporation and his collaborations with fellow inventors highlight his commitment to advancing technology in meaningful ways.

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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