Tokyo, Japan

Hidehisa Murayama

This inventor holds 2 USPTO granted patents. Top assignees: Electric Industry Co., Ltd., Oki Electric Industry Co., Ltd.. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidehisa Murayama. Retrieved from https://idiyas.com/inventor/hidehisa-murayama

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2002-2003

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2 patents (USPTO):Explore Patents

Title: Innovations of Hidehisa Murayama

Introduction

Hidehisa Murayama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative circuit designs. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Murayama's latest patents include an electrical circuit featuring inverters connected in a cascade. This invention addresses the issue of signal output disparity when the input signal amplitude is large. The circuit employs a feedback mechanism to ensure that the inverter at the first stage receives a compensation current, thus stabilizing the output. Another significant patent is a signal deciding apparatus that produces a stable digital signal regardless of the input signal's amplitude and duty ratio. This apparatus utilizes inverters and differential amplifiers to achieve reliable digital output.

Career Highlights

Throughout his career, Murayama has worked with prominent companies such as Oki Electric Industry Co., Ltd. and Electric Industry Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Murayama has collaborated with notable colleagues, including Hiroyuki Yamada and Kazuo Suto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hidehisa Murayama's contributions to electrical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the field and inspire future inventors.

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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