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For the Inventor, By the Inventor

Osaka, Japan

Shinichi Kawato

This inventor holds 103 USPTO granted patents and 39 published patent applications and 1 EPO patent, primarily in Light-Emitting Devices (CPC class H01L51-56). Top assignees: Sharp Kabushiki Kaisha Corporation, Semiconductor Energy Laboratory Co., Ltd., Sakai Display Products Corporation. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Kawato. Retrieved from https://idiyas.com/inventor/shinichi-kawato

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

USPTO Granted Patents = 103 

% Patents Active = 67.0

 

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 255(Granted Patents)

Forward Citations (Not Self Cited) = 243(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tenri, JP (2004 - 2005)
  • Kashiwara, JP (2009)
  • Osaka, JP (2013 - 2021)
  • Sakai, JP (2017 - 2023)

Company Filing History:

goldMedal101 out of 25,954 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal7 out of 16,652 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents
bronzeMedal3 out of 374 
 
Sakai Display Products Corporation
 patents
4. 1 out of 2 
 
Shark Kabushiki Kaisha
 patents
5. 1 out of 847 
 
Sharp Corporation
 patents
where one patent can have more than one assignee

Years Active: 2004-2025

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Areas of Expertise:
Light-Emitting Device
Organic EL Display
Vapor Deposition
Display Apparatus
Manufacturing Method
Thermally Activated Delayed Fluorescence
Quantum Dots
Phosphorescent Material
Ionic Liquid
Film Production
High Material Usage Efficiency
Illumination Device
103 patents (USPTO):Explore Patents
1. 12414453 - Light-emitting device (2025-09-09),
2. 12114554 - Light-emitting device including complementary color light absorption layer (2024-10-08),
3. 11805663 - Light emitting device and display device (2023-10-31),
4. 11437600 - Substrate sealing structure body, and, display device and production method therefor (2022-09-06),
5. 11222931 - Display device (2022-01-11),
6. 11217763 - Light-emitting device including light-emitting layer in which thermally activated delayed fluorescence bodies and quantum dots are dispersed and manufacturing apparatus of light-emitting device (2022-01-04),
7. 11211579 - Substrate sealing structure body, and, display device and production method therefor (2021-12-28),
8. 10991781 - Display device configured to switch between single-sided and double-sided display (2021-04-27),
9. 10957815 - Light-emitting device (2021-03-23),
10. 10923678 - Display apparatus (2021-02-16),
11. 10892432 - Organic EL display device, manufacturing method thereof, and light-emission method thereof (2021-01-12),
12. 10873050 - Organic EL display device and organic EL display device manufacturing method (2020-12-22),
13. 10777613 - Display device and manufacturing method therefor (2020-09-15),
14. 10777103 - Display apparatus and method for manufacturing same (2020-09-15),
15. 10760155 - Vapor deposition source and vapor deposition device for producing vapor deposition film with high material usage efficiency (2020-09-01),

Title: The Innovative Journey of Shinichi Kawato

Introduction

Shinichi Kawato, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of light-emitting devices with a remarkable portfolio of 102 patents. His groundbreaking work continues to influence advancements in display technologies.

Latest Patents

Among his latest patents, Kawato developed a light-emitting device that includes a complementary color light absorption layer. This innovative design features a stacked configuration of a first electrode, light-emitting layer, and a second electrode, culminating in a light-emitting face. The inclusion of a complementary color light absorption layer enhances the device's capability to absorb the complementary color light emitted, resulting in a more efficient output.

Another recent patent focuses on the integration of multiple colored pixels in a light-emitting device. By utilizing a blue pixel, a green pixel, and a red pixel, the design achieves high color reproducibility and luminous efficiency. The green pixel specifically incorporates a host material that facilitates carrier transport, alongside a fluorescence dopant for improved light emission, and a thermally activated assist dopant composed of a delayed fluorescent material, thereby optimizing performance.

Career Highlights

Kawato’s career is marked by his tenures at notable companies, including Sharp Corporation and Semiconductor Energy Laboratory Co., Ltd. These experiences have honed his expertise and allowed him to collaborate on pioneering technology within the semiconductor space.

Collaborations

Throughout his career, Kawato has worked alongside esteemed colleagues such as Satoshi Inoue and Tohru Sonoda. These collaborations have been instrumental in driving innovative projects and expanding the horizons of light-emitting technologies.

Conclusion

Shinichi Kawato's contributions to the field of light-emitting devices illustrate his status as a leading inventor in Japan. With his extensive patent portfolio and innovative approaches, he continues to inspire future developments in display technologies, paving the way for enhanced visual experiences.

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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