Tokyo, Japan

Kiyoharu Seino

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki Kabushiki, Mitsubishi Electric Corporation. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Seino. Retrieved from https://idiyas.com/inventor/kiyoharu-seino

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


% Patents Active = 85.7


Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Kanagawa, JP (1989)
  • Kamakura, JP (1987 - 1993)
  • Tokyo, JP (1998 - 2011)

Company Filing History:


Years Active: 1987-2011

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7 patents (USPTO):Explore Patents

Title: Kiyoharu Seino: Innovator in Microwave Technology

Introduction

Kiyoharu Seino is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of microwave technology, holding a total of 7 patents. His work focuses on improving the efficiency and reliability of microwave devices, which are essential in various electronic applications.

Latest Patents

Seino's latest patents include advancements in microwave devices, high-frequency devices, and high-frequency equipment. One of his notable inventions addresses the challenges associated with conventional microwave devices, particularly the loss of efficiency. When applied to microwave components, issues arise such as degraded noise figures in low-noise amplifiers and decreased output and efficiency in high-output amplifiers. His innovative structure incorporates a capacitor loaded between two high impedance lines, which enhances performance in the desired frequency band. Additionally, he has developed a phase compensation circuit and frequency converter device that improve signal integrity in high-frequency applications.

Career Highlights

Throughout his career, Kiyoharu Seino has worked with esteemed companies, including Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his expertise in microwave technology and contribute to groundbreaking innovations.

Collaborations

Seino has collaborated with notable colleagues such as Tadashi Takagi and Fumio Takeda. Their combined efforts have led to advancements in the field, further establishing Seino's reputation as a leading inventor.

Conclusion

Kiyoharu Seino's contributions to microwave technology have significantly impacted the industry. His innovative patents and collaborations highlight his dedication to advancing electronic devices. His work continues to inspire future innovations in the field.

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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