Chino, Japan

Eiji Osawa

This inventor holds 25 USPTO granted patents and 8 published patent applications and 1 EPO patent, primarily in Ultrasonic Devices. Top assignee: Seiko Epson Corporation. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Osawa. Retrieved from https://idiyas.com/inventor/eiji-osawa

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

USPTO Granted Patents = 25 

% Patents Active = 96.0


Average Co-Inventor Count = 2.1

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Chiho, JP (2016)
  • Suwa, JP (2017 - 2020)
  • Chino, JP (2012 - 2024)
  • Matsumoto, JP (2023 - 2024)

Company Filing History:


Years Active: 2012-2026

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Areas of Expertise:
Ultrasonic Sensor
Piezoelectric Device
MEMS Device
Ultrasound Probe
Image Scanner
Vibrating Plate Structure
Liquid Ejecting Head
Droplet Ejecting Apparatus
Media Type Determination
Electronic Apparatus
Transport Device
Ultrasonic Measuring Apparatus
25 patents (USPTO):Explore Patents

Title: Innovations by Eiji Osawa: A Pioneer in Piezoelectric and MEMS Devices

Introduction: Eiji Osawa, an accomplished inventor based in Chino, Japan, has made significant contributions to the fields of piezoelectric and MEMS (Micro-Electro-Mechanical Systems) technologies. With an impressive portfolio of 19 patents, Osawa has proven himself as a leading figure in innovative device design, focusing on miniaturization and efficiency.

Latest Patents: Among Osawa's latest inventions are a piezoelectric device and a MEMS device that promise to revolutionize their respective applications by reducing size without compromising functionality. The piezoelectric device consists of a complex structure featuring three substrates, with the third substrate hosting a through hole that integrates electrical connections between electrodes. This innovative design enables enhanced performance while maintaining a compact size. Additionally, his ultrasonic device incorporates a vibration plate with multiple layers, including one specifically designed to prevent the diffusion of components in the piezoelectric element, ensuring durability and optimal operation.

Career Highlights: Eiji Osawa works at Seiko Epson Corporation, a leading technology company known for its commitment to innovation and excellence. His role within the organization has allowed him to pursue groundbreaking research and development, particularly within the realm of piezoelectric and ultrasonic technologies. His extensive patent portfolio indicates his persistent drive to push the boundaries of what is possible in these fields.

Collaborations: Throughout his career, Osawa has collaborated with notable colleagues, including Koji Ohashi and Chikara Kojima. These partnerships have fostered an environment of shared knowledge and creativity, leading to advancements that have the potential to enhance various industry applications.

Conclusion: Eiji Osawa stands out as a key inventor in the fields of piezoelectric and MEMS devices. His latest patents showcase his commitment to innovation and efficiency, with a focus on miniaturization. As part of Seiko Epson Corporation, he continues to contribute to the technological landscape, paving the way for future advancements in device design and functionality.

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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