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For the Inventor, By the Inventor

Tokyo, Japan

Kazuichiro Itonaga

This inventor holds 59 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Solid-State Imaging (CPC class H01L). Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation, Sony Group Corporation. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuichiro Itonaga. Retrieved from https://idiyas.com/inventor/kazuichiro-itonaga

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

USPTO Granted Patents = 59 

% Patents Active = 64.4

 

Average Co-Inventor Count = 1.6

ph-index = 9

Forward Citations = 317(Granted Patents)

Forward Citations (Not Self Cited) = 272(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (2009 - 2018)
  • Tokyo, JP (2010 - 2024)

Company Filing History:

goldMedal51 out of 58,145 
 
Sony Corporation
 patents
silverMedal5 out of 3,298 
 
Sony Semiconductor Solutions Corporation
 patents
bronzeMedal3 out of 4,241 
 
Sony Group Corporation
 patents

Years Active: 2009-2026

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Areas of Expertise:
Solid-State Imaging Device
Display Device
Electronic Apparatus
Imaging Apparatus
Manufacturing Method
Projection Type Display
Light-Emitting Element
Camera
Multi-Wiring Layer
Sensitivity
Photoelectric Conversion
Trench Isolation Structure
59 patents (USPTO):Explore Patents
1. 12707032 - Projection device and image processing method (2026-08-11),
2. 12445580 - Light-emitting element, display device and surface-emitting device (2025-10-14),
3. 11895866 - Light emitting element, projection type display device, and planar light emitting device (2024-02-06),
4. 11621405 - Display device and electronic apparatus (2023-04-04),
5. 11038140 - Display device, electronic device, and method of producing display device (2021-06-15),
6. 10862070 - Display device and electronic apparatus (2020-12-08),
7. 10784306 - Solid-state imaging device and electronic apparatus (2020-09-22),
8. 10319758 - Solid-state imaging device, method for manufacturing solid-state imaging device, and imaging apparatus (2019-06-11),
9. 10147758 - Solid-state imaging device and electronic apparatus (2018-12-04),
10. 10115761 - Solid-state imaging device and manufacturing method thereof (2018-10-30),
11. 10050071 - Imaging unit, lens barrel, and portable terminal (2018-08-14),
12. 10020334 - Solid-state imaging device, method for manufacturing solid-state imaging device, and imaging apparatus (2018-07-10),
13. 9887226 - Solid-state imaging device (2018-02-06),
14. 9711561 - Solid-state imaging device and camera including discrete trench isolation structure (2017-07-18),
15. 9673251 - Solid-state imaging device, method for manufacturing solid-state imaging device, and imaging apparatus (2017-06-06),

Title: Kazuichiro Itonaga: A Trailblazer in Innovation

Introduction:

Kazuichiro Itonaga, a visionary inventor based in Tokyo, JP, is renowned for his relentless pursuit of innovation and his passion for pushing the boundaries of technology. With 57 patents to his name, his work continues to inspire future generations of inventors and innovators worldwide.

Latest Patents:

Itonaga's latest patents include a diverse range of groundbreaking inventions, such as the light-emitting element, projection-type display device, and planar light-emitting device. These inventions demonstrate his expertise in utilizing organic luminescent materials and innovative design to create cutting-edge technologies.

Career Highlights:

Having worked at esteemed companies like Sony Corporation and Sony Semiconductor Solutions Corporation, Itonaga has made significant contributions to the field of electronics and display technology. His innovative mindset and dedication to pushing the limits of what is possible have set him apart as a true pioneer in his field.

Collaborations:

Throughout his career, Itonaga has collaborated with talented individuals such as Keiji Tatani and Shizunori Matsumoto. These partnerships have led to the development of groundbreaking technologies and have fostered a culture of innovation and collaboration within the industry.

Conclusion:

In conclusion, Kazuichiro Itonaga's unparalleled dedication to innovation and his pioneering spirit have solidified his legacy as a trailblazer in the world of inventions. His remarkable inventions and collaborative efforts continue to shape the landscape of technology and inspire inventors and innovators around the globe.

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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