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For the Inventor, By the Inventor

Yokohama, Japan

Yuzo Hirayama

This inventor holds 58 USPTO granted patents and 2 EPO patents, primarily in 3D Image Display (CPC class 372 ). Top assignee: Kabushiki Kaisha Toshiba. Active years: 1987-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuzo Hirayama. Retrieved from https://idiyas.com/inventor/yuzo-hirayama

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

USPTO Granted Patents = 58

% Patents Active = 39.7

 

Average Co-Inventor Count = 3.1

ph-index = 13

Forward Citations = 543(Granted Patents)

Forward Citations (Not Self Cited) = 518(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (2003 - 2012)
  • Tokyo, JE (2013)
  • Kanagawa, JP (1992 - 2015)
  • Yokohama, JP (1987 - 2016)

Company Filing History:

goldMedal58 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1987-2016

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Areas of Expertise:
Three-Dimensional Image
Stereoscopic Display
Display Apparatus
Image Display Device
Multi-Viewpoint Generation
Holographic Recording
3D Display Method
Elemental Image Array
Image Projection System
Stereoscopic Image Producing
Video Display Method
Display Method
58 patents (USPTO):Explore Patents
1. 9237335 - Three-dimensional image display apparatus (2016-01-12),
2. 9110297 - Image display device (2015-08-18),
3. 8964006 - Three-dimensional display apparatus and three-dimensional video display method (2015-02-24),
4. 8766882 - Three-dimensional image display apparatus for displaying three-dimensional image (2014-07-01),
5. 8614738 - Stereoscopic image display method and stereoscopic image display apparatus (2013-12-24),
6. 8582042 - Stereoscopic image display apparatus (2013-11-12),
7. 8552925 - Stereoscopic image display apparatus (2013-10-08),
8. 8531454 - Display apparatus and stereoscopic image display method (2013-09-10),
9. 8427532 - Apparatus and method of displaying the three-dimensional image (2013-04-23),
10. 8174465 - Stereoscopic image display apparatus (2012-05-08),
11. 8154587 - Apparatus and method of displaying the three-dimensional image (2012-04-10),
12. 8125513 - Stereoscopic display device and display method (2012-02-28),
13. 8106940 - Stereoscopic image display apparatus and stereoscopic image producing method (2012-01-31),
14. 8085294 - Stereoscopic image display apparatus (2011-12-27),
15. 8063931 - Stereoscopic display apparatus (2011-11-22),

Title: Yuzo Hirayama: Innovator in Three-Dimensional Image Display Technology

Introduction

Yuzo Hirayama is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of image display technology. With an impressive portfolio of 58 patents, he continues to influence the technological landscape with groundbreaking innovations.

Latest Patents

Hirayama's latest patents showcase his expertise in three-dimensional image display systems. One notable invention is the "Three-dimensional image display apparatus," which redefines how sub-pixel areas are assigned based on the viewer's observation position. This innovation includes sub-pixel segments that enhance visual depth by separating sub-pixels positioned at the boundaries of adjacent areas. The result is an advanced display that incorporates parallax information for a richer viewing experience.

Another of his significant inventions is the "Image display device," which features a unique arrangement of pixels that include sub-pixels with varying colors. These sub-pixels are strategically organized in an orthogonal matrix, and a sophisticated light beam controller enhances the directionality of light beams emitted from the display. This invention emphasizes an equilateral triangle arrangement of sub-pixels, providing greater clarity and visual appeal.

Career Highlights

Yuzo Hirayama has made remarkable strides throughout his career at Kabushiki Kaisha Toshiba, where his focus on innovative image display solutions has led to numerous patents. His work embodies the fusion of creativity and technical expertise, aimed at enhancing user experiences through visual technology.

Collaborations

Throughout his career, Hirayama has collaborated with esteemed colleagues such as Tatsuo Saishu and Rieko Fukushima. Together, they have worked on various projects that push the boundaries of display technologies, contributing to Toshiba's reputation as a leader in innovation.

Conclusion

Yuzo Hirayama stands out as a visionary inventor in the realm of image display technology. With 58 patents to his name, he continues to shape the future of visual experiences. His latest innovations at Kabushiki Kaisha Toshiba reflect his commitment to enhancing how we perceive images, ensuring that technology remains both functional and visually engaging.

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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