Aichi, Japan

Keisuke Utsunomiya

This inventor holds 3 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1977-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisuke Utsunomiya. Retrieved from https://idiyas.com/inventor/keisuke-utsunomiya

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


% Patents Active = 33.3

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 62(Granted Patents)


Location History:

  • Kadoma, JA (1977)
  • Aichi, JP (2002 - 2006)

Company Filing History:


Years Active: 1977-2006

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3 patents (USPTO):Explore Patents

Title: Keisuke Utsunomiya: Innovator in Portable Power Amplification

Introduction

Keisuke Utsunomiya is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of electronics, particularly in the development of portable power amplifiers. With a total of 3 patents to his name, Utsunomiya continues to push the boundaries of innovation in his industry.

Latest Patents

One of Utsunomiya's latest inventions is a portable power amplifier. This device features portable encapsulating cases, a printed board incorporated within those cases, and a power amplifying device mounted on the printed board. An antenna switch and an antenna are strategically placed near the power amplifying device, enhancing the heat dissipation efficiency of the amplifier.

Another significant patent is a high power type voltage controlled oscillator (VCO). This device includes an input terminal for receiving a controlling voltage, a voltage controlled oscillating section, and a power amplifier that processes the output from the VCO section. The design incorporates a matching circuit, an output terminal, and inspection means for independent adjustment of the VCO section and amplifier. Additionally, it features interference preventive means and a heat sink for effective heat dissipation. This innovative structure allows for higher productivity and downsizing in devices such as cellular phones.

Career Highlights

Utsunomiya is currently employed at Matsushita Electric Industrial Co., Ltd., where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of portable electronic devices.

Collaborations

Throughout his career, Utsunomiya has collaborated with talented individuals such as Terumoto Akatsuka and Motoyoshi Kitagawa. These partnerships have contributed to the successful development of his innovative projects.

Conclusion

Keisuke Utsunomiya is a prominent figure in the field of electronics, known for his innovative patents in portable power amplification. His contributions continue to shape the future of technology in this domain.

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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