Tokorozawa, Japan

Hiroshi Itoh

This inventor holds 1 USPTO granted patent. Top assignee: Pioneer Electronic Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Itoh. Retrieved from https://idiyas.com/inventor/hiroshi-itoh-2q9if8dd

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 = 38(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Hiroshi Itoh and Multi-Channel Recording Technology.

Introduction

Hiroshi Itoh is an inventor associated with Tokorozawa, Japan, and Pioneer Electronic Corporation. His recorded patent work concerns a method for recording and reproducing multi-channel video and audio information on a single recording medium.

Latest Patents

The supplied information lists one patent for Itoh: “Method of Recording and Reproducing Multi-Channel Information.” The method periodically extracts portions of each of N video signals and combines them through time-division multiplexing. It also codes M audio signals, compresses each code train in time, divides the trains into blocks, and combines the blocks through time-division multiplexing. The resulting video and audio information is recorded on a single medium. The supplied record identifies 1 patent and does not provide a filing or publication date.

Career Highlights

Itoh’s listed invention addresses the coordinated recording of multiple video and audio channels. The patent record associates him with Pioneer Electronic Corporation, but the supplied information does not specify his role, employment dates, or other career details.

Collaborations

The supplied information names Toshiyuki Amaya and Takumi Jinguji as Itoh’s coworkers. It does not establish whether they collaborated with him on this patent.

Conclusion

Hiroshi Itoh’s listed patent describes a time-division multiplexing approach for recording multi-channel video and audio on one medium, reflecting his documented connection to recording technology at Pioneer Electronic Corporation.

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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