Tokyo, Japan

Hiroyuki Hamazumi

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Hoso' Kyokai. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hamazumi. Retrieved from https://idiyas.com/inventor/hiroyuki-hamazumi-wopgp084

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 21.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Hiroyuki Hamazumi: Innovator in High Definition Video Technology

Introduction

Hiroyuki Hamazumi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of video technology, particularly in the area of high definition video signal processing. His innovative work has led to the development of a unique encoding and decoding system that enhances video quality.

Latest Patents

Hiroyuki Hamazumi holds 1 patent for his invention titled "Receiver and channel compatible encoding/decoding system." This patent describes a method where high-resolution vertical and horizontal components of a high-definition video signal are combined with a standard broadcast system video signal, such as the NTSC system. The invention allows for high-frequency horizontal resolution components to be sampled and modulated onto a sub-carrier signal, which is then interleaved onto the standard broadcast signal. The vertical high-resolution components are time-compressed and multiplexed onto the broadcast signal, enabling both standard and high-definition video image displays.

Career Highlights

Hiroyuki Hamazumi has had a distinguished career, working with Nippon Hoso Kyokai, a prominent broadcasting organization in Japan. His expertise in video technology has positioned him as a key figure in the advancement of broadcasting standards and practices.

Collaborations

Throughout his career, Hiroyuki has collaborated with esteemed colleagues such as Yoshio Takeuchi and Makoto Okui. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in the broadcasting industry.

Conclusion

Hiroyuki Hamazumi's contributions to high-definition video technology exemplify the impact of innovative thinking in the field of broadcasting. His patent and collaborative efforts continue to influence the way video signals are processed and transmitted, paving the way for future advancements.

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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