Funabashi, Japan

Hisashi Utena

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Utena. Retrieved from https://idiyas.com/inventor/hisashi-utena

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 = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Hisashi Utena: Innovator in Cathode Ray Tube Technology

Introduction

Hisashi Utena is a notable inventor based in Funabashi, Japan. He has made significant contributions to the field of display technology, particularly through his work on cathode ray tubes. His innovative designs have paved the way for advancements in visual display systems.

Latest Patents

Hisashi Utena holds a patent for a cathode ray tube that features a unique envelope design. This design includes a flat panel, a funnel, and a neck. The flat panel is equipped with a phosphor layer and a conductive layer on its inner surface. The funnel is designed with an anode button, and an anode contactor is attached to this button. The anode contactor consists of a base portion made of a flat plate that extends along the inner surface of the funnel, along with a leaf contactor that resiliently contacts the conductive layer on the flat panel. This innovative design enhances the functionality and efficiency of cathode ray tubes.

Career Highlights

Hisashi Utena is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to collaborate with other talented engineers and inventors, contributing to the company's reputation for innovation and quality.

Collaborations

Hisashi Utena has worked alongside notable colleagues such as Masahiro Kikuchi and Shinzo Takei. Their collaborative efforts have led to advancements in display technology and have further solidified Sony's position in the market.

Conclusion

Hisashi Utena's contributions to cathode ray tube technology exemplify his innovative spirit and dedication to advancing display systems. His work continues to influence the field and inspire future developments in technology.

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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