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For the Inventor, By the Inventor

Nagano, Japan

Takeshi Yasoshima

This inventor holds 11 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2005-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Yasoshima. Retrieved from https://idiyas.com/inventor/takeshi-yasoshima

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

USPTO Granted Patents = 11

% Patents Active = 54.5

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Nagano-ken, JP (2005 - 2010)
  • Matsumoto, JP (2010 - 2021)

Company Filing History:

goldMedal11 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2005-2021

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11 patents (USPTO):Explore Patents
1. 11114604 - Method of manufacturing MEMS device and MEMS device (2021-09-07),
2. 10737492 - Liquid ejecting head and liquid ejecting apparatus (2020-08-11),
3. 9724917 - MEMS device, liquid ejecting head, and liquid ejecting apparatus (2017-08-08),
4. 8936355 - Liquid ejecting head and liquid ejecting apparatus (2015-01-20),
5. 7695120 - Liquid-ejecting head and liquid-ejecting apparatus having the same (2010-04-13),
6. 7686421 - Fluid injection head, method of manufacturing the injection head, and fluid injection device (2010-03-30),
7. 7344221 - Head member, method for ink-repellent treatment and apparatus for the same (2008-03-18),
8. 7291281 - Head member, method for ink-repellent treatment and apparatus for the same (2007-11-06),
9. 7210769 - Liquid jet head and liquid jet apparatus (2007-05-01),
10. 7156500 - Liquid-jet head, method for manufacturing the liquid-jet head, and liquid-jet apparatus (2007-01-02),
11. 6923525 - Head member ink repellence treating method and treating device (2005-08-02),

Title: The Innovations of Takeshi Yasoshima

Introduction

Takeshi Yasoshima is a prominent inventor based in Nagano-ken, Japan. He has made significant contributions to the field of microelectromechanical systems (MEMS) and liquid ejecting technologies. With a total of 11 patents to his name, Yasoshima continues to push the boundaries of innovation in his industry.

Latest Patents

Yasoshima's latest patents include a method of manufacturing a MEMS device and a liquid ejecting head and apparatus. The method of manufacturing a MEMS device involves forming an opening in a metal layer that allows communication between two spaces. This process includes exposing the metal layer to an etching solution while ensuring that the metal layer remains at the boundary between the two spaces. Additionally, a protective layer is formed to cover the inner surfaces of the adhesive layer and the metal layer. The liquid ejecting head features a piezoelectric element with a piezoelectric layer sandwiched between two electrodes. It also includes a leading-out wiring made of gold or platinum, along with an insulating protective film.

Career Highlights

Yasoshima is currently employed at Seiko Epson Corporation, where he applies his expertise in MEMS and liquid ejecting technologies. His work has been instrumental in advancing the capabilities of these devices, making them more efficient and effective for various applications.

Collaborations

Throughout his career, Yasoshima has collaborated with notable colleagues, including Takuya Miyakawa and Yoshiyuki Isobe. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Takeshi Yasoshima's contributions to the fields of MEMS and liquid ejecting technologies highlight his role as a leading inventor. His innovative patents and collaborations continue to shape the future of these industries.

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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