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For the Inventor, By the Inventor

Takarazuka, Japan

Masayuki Miyaji

This inventor holds 13 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1999-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Miyaji. Retrieved from https://idiyas.com/inventor/masayuki-miyaji

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

USPTO Granted Patents = 13

% Patents Active = 46.2

Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 205(Granted Patents)


Location History:

  • Kanagawa, JP (2003)
  • Takarazuka, JP (1999 - 2004)
  • Yokohama, JP (2004 - 2005)
  • Kyoto, JP (2005)

Company Filing History:

goldMedal13 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1999-2005

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13 patents (USPTO):Explore Patents
1. 6940346 - Feedforward amplifier, communication apparatus, feedforward amplification method, program and medium (2005-09-06),
2. 6847258 - Power amplifier, power amplifying method and radio communication apparatus (2005-01-25),
3. 6803837 - Power splitter/combiner circuit, high power amplifier and balun circuit (2004-10-12),
4. 6710652 - Feedforward amplifier (2004-03-23),
5. 6690249 - Power splitter/combiner multi-layer circuit (2004-02-10),
6. 6590906 - Multi-carrier transmitter circuit and communication equipment (2003-07-08),
7. 6563395 - Power splitter/combiner circuit, high power amplifier and balun circuit (2003-05-13),
8. 6545542 - Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component (2003-04-08),
9. 6326845 - Feedforward amplifier (2001-12-04),
10. 6300848 - Power splitter and power combiner using N-branch-line-shaped directional couplers (2001-10-09),
11. 6201439 - Power splitter/ combiner circuit, high power amplifier and balun circuit (2001-03-13),
12. 6037837 - Feed forward amplifier (2000-03-14),
13. 5973557 - High efficiency linear power amplifier of plural frequency bands and (1999-10-26),

Title: Masayuki Miyaji: Innovator in Feedforward Amplification Technology

Introduction

Masayuki Miyaji is a prominent inventor based in Takarazuka, Japan. He has made significant contributions to the field of communication technology, particularly in the development of feedforward amplifiers. With a total of 13 patents to his name, Miyaji's work has advanced the efficiency and effectiveness of signal amplification.

Latest Patents

Miyaji's latest patents include innovative technologies such as a feedforward amplifier, communication apparatus, feedforward amplification method, program, and medium. His invention addresses the limitations of conventional feedforward amplifiers, which struggle to suppress distortion components efficiently. The new design allows for targeted suppression of distortion components within a specific frequency range, enhancing overall performance. Additionally, he has developed a power amplifier and power amplifying method that improve the linearity of amplifying elements, ensuring better signal quality in radio communication applications.

Career Highlights

Miyaji has spent a significant portion of his career at Matsushita Electric Industrial Co., Ltd., where he has been instrumental in driving innovation in communication technologies. His expertise in feedforward amplification has positioned him as a key figure in the industry, contributing to advancements that benefit various applications in telecommunications.

Collaborations

Throughout his career, Miyaji has collaborated with notable colleagues, including Kaoru Ishida and Hiroaki Kosugi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Masayuki Miyaji's contributions to feedforward amplification technology have made a lasting impact on the communication industry. His innovative patents and collaborative efforts continue to shape the future of signal processing and amplification.

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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