Tokyo, Japan

Takashi Tohyama

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Tohyama. Retrieved from https://idiyas.com/inventor/takashi-tohyama

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 = 2(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovations of Takashi Tohyama

Introduction

Takashi Tohyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of television technology. His innovative work has led to the development of a unique television receiver that enhances the viewing experience.

Latest Patents

One of Takashi Tohyama's key patents is for a television receiver of projection type. This invention includes a color cathode ray tube with a phosphor face that forms a color phosphor pattern. It features a projection screen and a projection lens that projects an image from the cathode ray tube onto the screen. Additionally, it incorporates a prism plate with multiple prisms that split the light path from the cathode ray tube. This design allows for the shifting of images relative to each other by a predetermined distance on the projection screen. Notably, the inclination angle of each prism is selected differently between the central and peripheral portions.

Career Highlights

Takashi Tohyama has been associated with Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to push the boundaries of television technology and contribute to advancements in the field.

Collaborations

Throughout his career, Takashi has collaborated with esteemed colleagues such as Toshiro C Watanabe and Akio Ohkoshi. These collaborations have fostered innovation and creativity in their projects.

Conclusion

Takashi Tohyama's contributions to television technology exemplify the spirit of innovation. His patent for a projection-type television receiver showcases his expertise and commitment to enhancing the viewing experience. His work continues to influence the industry and inspire future inventors.

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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