Daito, Japan

Yoshihiro Harai

This inventor holds 1 USPTO granted patent. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Harai. Retrieved from https://idiyas.com/inventor/yoshihiro-harai

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Innovations of Yoshihiro Harai

Introduction

Yoshihiro Harai is a notable inventor based in Daito, Japan. He has made significant contributions to the field of electronics, particularly in the development of delay circuits for FM video signals. His innovative work has led to the filing of a patent that showcases his expertise and creativity.

Latest Patents

Yoshihiro Harai holds a patent for an I²L delay circuit with a phase comparator and temperature compensation. This delay circuit is designed to delay an FM video signal effectively. It includes an input for supplying the FM video signal and an output for producing a delayed FM video signal. The delay line, which is connected between the input and output, consists of a series of I²Ls arranged in cascade. Additionally, the circuit features a phase comparator that compares the phase of the FM video signal at the input with the delayed signal at the output. This comparison generates a difference signal that is used to adjust the injection current applied to the I²Ls, ensuring that the delay achieved is consistent with the required specifications.

Career Highlights

Yoshihiro Harai has been associated with Sanyo Electric Co., Ltd., where he has contributed to various projects and innovations. His work in the company has been instrumental in advancing technologies related to video signal processing.

Collaborations

Yoshihiro has collaborated with notable colleagues, including Yoshihiro Murakami and Takeshi Higashino. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yoshihiro Harai's contributions to the field of electronics, particularly through his patent for the I²L delay circuit, highlight his innovative spirit and technical expertise. His work continues to influence advancements in video signal processing 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]
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