Kokubunji, Japan

Hironobu Chiyoda

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Powdered Metals Co., Ltd.. Active years: 1983-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironobu Chiyoda. Retrieved from https://idiyas.com/inventor/hironobu-chiyoda

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 = 3.1

ph-index = 3

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1983-1996

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3 patents (USPTO):Explore Patents

Title: Hironobu Chiyoda: Innovator in Coating Technologies

Introduction

Hironobu Chiyoda is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of coating technologies, particularly in the development of materials used in cathode-ray tubes. With a total of 3 patents to his name, Chiyoda's work has had a lasting impact on the industry.

Latest Patents

One of Chiyoda's latest patents involves a coating composition for the inner wall of a cathode-ray tube. This innovative composition includes an aqueous dispersion medium containing potassium silicate, a dispersing agent, and graphite particles or a combination of graphite particles and metal oxide or carbide particles. The invention is characterized by a specific molar ratio of silicon dioxide to potassium oxide (SiO.sub.2 /K.sub.2 O) ranging from 4 to 5. The resulting coating film exhibits excellent adhesiveness and a low adsorption quantity of moisture and gases. Additionally, he has developed a shading film for color filters and coatings for forming shading films.

Career Highlights

Chiyoda is currently associated with Hitachi Powdered Metals Co., Ltd., where he continues to innovate and contribute to advancements in coating technologies. His work has been instrumental in enhancing the performance and reliability of various electronic components.

Collaborations

Chiyoda has collaborated with notable colleagues such as Shinichi Tachizono and Minoru Aoki, further enriching his research and development efforts.

Conclusion

Hironobu Chiyoda's contributions to coating technologies, particularly in the realm of cathode-ray tubes, highlight his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving material performance and functionality.

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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