Chino, Japan

Shiro Yazaki

This inventor holds 57 USPTO granted patents and 5 published patent applications and 8 EPO patents, primarily in Liquid Ejecting Technology (CPC class B41J). Top assignee: Seiko Epson Corporation. Active years: 1999-2022.

USPTO Granted Patents = 57 

% Patents Active = 93.0

 

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 166(Granted Patents)

Forward Citations (Not Self Cited) = 148(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagano, JP (1999 - 2010)
  • Nagano-ken, JP (2004 - 2015)
  • Chino, JP (2009 - 2022)

Company Filing History:


Years Active: 1999-2022

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Areas of Expertise:
Liquid Ejecting Head
Liquid Ejecting Apparatus
Piezoelectric Device
Ultrasonic Transducer
Manufacturing Methods
Actuator
Piezoelectric Element
Liquid Jet Head
57 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shiro Yazaki

Introduction

Shiro Yazaki, an accomplished inventor based in Chino, Japan, has made significant strides in the field of liquid ejecting technologies. With an impressive collection of 57 patents, Yazaki's work emphasizes the integration of piezoelectric components in fluid systems, showcasing his role as a leader in innovation.

Latest Patents

Among his most recent patents are the "Liquid Ejecting Head" and the "Liquid Ejecting Apparatus." These innovations feature advanced designs that optimize liquid ejection processes. The Liquid Ejecting Head incorporates a flow path forming substrate equipped with a pressure generating chamber that connects to a nozzle for liquid ejection. Its unique piezoelectric actuator design ensures efficient functioning through a meticulously layered structure comprising electrodes and piezoelectric layers. Additionally, it includes a diaphragm that enhances the pressure chamber, with specific materials engineered to maintain optimal tension differences. This thoughtful design allows for controlled, precise liquid dispensing.

Career Highlights

Shiro Yazaki has dedicated much of his career to Seiko Epson Corporation, where he has been instrumental in developing innovative printing technologies. His expertise in piezoelectric mechanisms has not only garnered multiple patents but has also contributed to the enhancement of Epson's product offerings, particularly in inkjet printing solutions. His relentless pursuit of innovation reflects the core values of his organization.

Collaborations

Throughout his career, Yazaki has collaborated with fellow inventors and researchers, including notable colleagues Eiju Hirai and Motoki Takabe. These partnerships have fostered a creative environment that encourages the exchange of ideas and accelerated the development of cutting-edge technologies in liquid ejection systems.

Conclusion

Shiro Yazaki's work stands as a testament to his commitment to innovation in fluid dynamics and piezoelectric technology. As he continues advancing the capabilities of liquid ejecting systems, his contributions will undeniably shape the future of printing technology. His array of patents showcases not only his inventive spirit but also his dedication to enhancing the efficiency and functionality of modern applications within the industry.

Profile summary based on public USPTO records.
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