Osaka, Japan

Masao Fujita

This inventor holds 22 USPTO granted patents and 3 EPO patents, primarily in Electromagnetic Wave Absorption. Top assignees: Hitachi Maxell, Limited, Maxell, Ltd., Maxell Holdings, Ltd.. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Fujita. Retrieved from https://idiyas.com/inventor/masao-fujita

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


% Patents Active = 95.5

 

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 153(Granted Patents)


Location History:

  • Osaka, JP (2010 - 2017)
  • Kyoto, JP (2020 - 2024)

Company Filing History:


Years Active: 2010-2025

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Areas of Expertise:
Electromagnetic Wave Absorber
Measurement System
Magnetic Recording Medium
Data Recording Apparatus
Heat-Assisted Recording
Electromagnetic Absorbing Composition
Magnetic Tape
Recording Mechanism
Coating-Type Medium
High Recording Density
Servo Signal Recording
Electromagnetic Absorbing Sheet
22 patents (USPTO):Explore Patents

Title: Innovations of Masao Fujita: A Pioneer in Electromagnetic Wave Technology

Introduction

Masao Fujita, based in Osaka, Japan, is recognized as a prolific inventor with a remarkable portfolio of 21 patents. His inventions have significantly advanced the field of electromagnetic wave technology, contributing to enhanced absorbent materials and measurement systems.

Latest Patents

Among Fujita's latest innovations is the **Electromagnetic Wave Absorber**, designed to effectively absorb high-frequency electromagnetic waves in the millimeter wave band. This invention includes an absorbing layer made of magnetic iron oxide that resonates at these high frequencies while minimizing surface reflections. Another notable patent is the **Measurement System and Radio Wave Blocking Unit**. This system features a radio wave absorber that allows light transmittance while absorbing unwanted radio waves, making it ideal for precise measurement of radio wave properties. The absorber is composed of a transparent support member and a layered radio wave absorbing sheet, ensuring effective shielding around measuring devices.

Career Highlights

Fujita has had a distinguished career, particularly with prominent companies such as Hitachi Maxell, Limited and Maxell, Ltd. His work in these organizations has fostered innovation in electromagnetic technologies, further establishing his reputation as an expert in the field.

Collaborations

Throughout his career, Fujita has collaborated with talented professionals, including coworkers such as Sadamu Kuse and Toshio Hiroi. These partnerships have facilitated the development of cutting-edge technologies and have contributed to the success of various projects.

Conclusion

Masao Fujita continues to be a driving force in the realm of electromagnetic wave inventions. His innovative patents not only enhance the understanding of radio wave properties but also improve the practical applications of these technologies across various industries. His contributions will undoubtedly have a lasting impact on future advancements in this crucial area of research.

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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