Sakado, Japan

Hajime Miyajima

This inventor holds 4 USPTO granted patents. Top assignee: Toko, Inc.. Active years: 1977-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Miyajima. Retrieved from https://idiyas.com/inventor/hajime-miyajima

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Saitama, JA (1977)
  • Sakado, JP (1981 - 1984)

Company Filing History:


Years Active: 1977-1984

Loading Chart...
4 patents (USPTO):Explore Patents

Title: Hajime Miyajima: Innovator in Surface Acoustic Wave Technology

Introduction

Hajime Miyajima is a prominent inventor based in Sakado, Japan. He has made significant contributions to the field of surface acoustic wave technology, holding a total of 4 patents. His innovative work has paved the way for advancements in various applications, particularly in communication devices.

Latest Patents

Miyajima's latest patents include a group-arranged type surface acoustic wave transducer. This invention features a unidirectional surface acoustic wave transducer that combines groups of interdigital electrodes. The design ensures that the center-to-center distance between the electrodes is equal to an integral number of wavelengths plus a quarter wavelength, as well as groups where this distance is equal to an integral number of wavelengths plus three quarter wavelengths. Additionally, he has developed a surface acoustic wave device that includes a phase-modulated interdigital electrode and a uniform interdigital electrode. This device is designed to maintain performance consistency by ensuring that the ratio of metal surface to unmetallized substrate area is equal in both types of electrodes.

Career Highlights

Miyajima has had a successful career at Toko, Inc., where he has been instrumental in developing cutting-edge technologies. His work has not only contributed to the company's growth but has also enhanced the overall landscape of surface acoustic wave applications.

Collaborations

Miyajima has collaborated with notable colleagues, including Akio Nakakura and Mitsuo Sakakura. These partnerships have fostered a creative environment that has led to innovative solutions in their field.

Conclusion

Hajime Miyajima's contributions to surface acoustic wave technology exemplify his dedication to innovation. His patents and collaborative efforts continue to influence advancements in communication technology.

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]
Loading…