Tokyo, Japan

Haruo Shimoyama

This inventor holds 1 USPTO granted patent. Top assignees: Fujitsu Corporation, Nippon Electric Co., Ltd., Nippon Telegraph and Telephone Public Corporation. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Shimoyama. Retrieved from https://idiyas.com/inventor/haruo-shimoyama

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 = 5.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Haruo Shimoyama: Innovator in Video/Audio Transmission Technology

Introduction

Haruo Shimoyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of video and audio transmission technology. His innovative work has led to the development of a unique system that addresses common issues in multiplexing audio and video signals.

Latest Patents

Shimoyama holds a patent for a video/audio simultaneous transmission system. This invention addresses the problem of phase jumps in the horizontal sync signal from video apparatuses, which can disrupt the multiplexing of audio and video signals. His solution involves a sync signal switching circuit that produces a modified sync signal, ensuring reliable transmission of both audio and video.

Career Highlights

Throughout his career, Haruo Shimoyama has worked with prominent companies such as Nippon Electric Co., Ltd. and Nippon Telegraph and Telephone Public Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.

Collaborations

Some of his notable coworkers include Makoto Hiraoka and Toshio Hanabata. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.

Conclusion

Haruo Shimoyama's contributions to video and audio transmission technology exemplify the impact of innovative thinking in solving complex problems. His patent and career achievements highlight the importance of collaboration and expertise in advancing technological solutions.

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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