Kawasaki, Japan

Tsutomu Miyashita

This inventor holds 45 USPTO granted patents, plus 3 CIPO patents, primarily in Acoustic Wave Devices. Top assignees: Fujitsu Corporation, Fujitsu Media Devices Limited, Taiyo Yuden Co., Ltd.. Active years: 1983-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Miyashita. Retrieved from https://idiyas.com/inventor/tsutomu-miyashita

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


% Patents Active = 84.4

 

Average Co-Inventor Count = 4.2

ph-index = 11

Forward Citations = 386(Granted Patents)


Location History:

  • Inagi, JP (1984 - 1994)
  • Kobe, JP (2000)
  • Nakahara-ku, JP (2001)
  • Kawasaki, JP (1983 - 2008)
  • Yokohama, JP (2008 - 2009)
  • Kanagawa, JP (2008 - 2010)
  • Tokyo, JP (2014 - 2020)

Company Filing History:


Years Active: 1983-2020

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Areas of Expertise:
Acoustic Wave Device
Fabrication Method
Piezoelectric Resonator
Surface Acoustic Wave Filter
Film Bulk Acoustic Resonator
Sensor Device
Duplexer
Tunable Capacitor
Lithium Secondary Battery
Micro-Switching Element
Electrical Contacting Device
Thin-Film Technology
45 patents (USPTO):Explore Patents

Title: The Innovations of Tsutomu Miyashita: A Pioneer in Acoustic Wave Devices

Introduction: Tsutomu Miyashita, based in Kawasaki, Japan, is an accomplished inventor known for his contributions in the field of acoustic wave devices. With a remarkable portfolio consisting of 45 patents, Miyashita has made significant strides in the development of methods and materials that enhance the performance of acoustic wave technologies.

Latest Patents: Among his latest patents is a method of fabricating acoustic wave devices. This innovative methodology includes forming a comb-shaped electrode and a wiring layer on a piezoelectric substrate, followed by the application of dielectric films made from silicon oxide. The process ensures an efficient covering of the electrode while enabling precise etching techniques for optimal performance. Additionally, Miyashita holds a patent for an acoustic wave device itself, which features a piezoelectric substrate and a specifically designed silicon oxide film, showcasing his dedication to pushing the boundaries of acoustic technology.

Career Highlights: Tsutomu Miyashita has worked with leading companies such as Fujitsu Corporation and Fujitsu Media Devices Limited. His contributions in these organizations have not only advanced his career but have also facilitated the evolution of innovative acoustic solutions that benefit various technological applications.

Collaborations: Throughout his career, Miyashita has collaborated with notable colleagues, including Yoshio Satoh and Tokihiro Nishihara. Their combined expertise in the field has led to numerous advancements and has enriched the research and development processes within their respective projects.

Conclusion: With a rich history of innovation and a dedication to the evolution of acoustic wave technology, Tsutomu Miyashita stands out as a prominent inventor. His patents and collaborative efforts continue to influence the technological landscape, inspiring future generations of inventors and researchers.

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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