Ryohei Yamaoka

This inventor holds 27 USPTO granted patents, primarily in Light-Emitting Devices. Top assignees: Semiconductor Energy Laboratory Co., Ltd., Other. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryohei Yamaoka. Retrieved from https://idiyas.com/inventor/ryohei-yamaoka

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

USPTO Granted Patents = 27

% Patents Active = 92.6

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 210(Granted Patents)

Location History:

Atsugi, JP (2019 - 2023)
Kanagawa, JP (2016 - 2024)

Company Filing History:

26 out of 16,652

Semiconductor Energy Laboratory Co., Ltd.

patents

1 out of 834,513

Other

patents

Years Active: 2016-2025

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Areas of Expertise:

Light-Emitting Device

Electronic Device

Display Device

Lighting Module

Reflective Electrode

Flexible Substrates

Wide Color Gamut

Heteroaromatic Skeleton

Cavity Length Estimation

Display Module

Multi-Thickness Layers

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12382782 - Estimation of cavity length of light-emitting device (2025-08-05),

2. 12376448 - Light-emitting device, light-emitting apparatus, light-emitting module, electronic device, and lighting device (2025-07-29),

3. 11985892 - Light-emitting device, light-emitting apparatus, electronic device, and lighting device (2024-05-14),

4. 11917840 - Light-emitting device with reflective electrode and light-emitting layer (2024-02-27),

5. 11587904 - Display device and electronic device (2023-02-21),

6. 11387280 - Light-emitting device and electronic device (2022-07-12),

7. 11063225 - Light-emitting element, light-emitting device, electronic device, and lighting device including a nitrogen-containing six-membered heteroaromatic skeleton (2021-07-13),

8. 10847582 - Display device, display module, and electronic device (2020-11-24),

9. 10847498 - Display device and electronic device (2020-11-24),

10. 10622334 - Display device with overlapped flexible substrates for displaying a wide color gamut image (2020-04-14),

11. 10573693 - Light-emitting device and electronic device (2020-02-25),

12. 10529780 - Display device, display module, and electronic device (2020-01-07),

13. 10510806 - Light-emitting element, light-emitting device, electronic device, and lighting device (2019-12-17),

14. 10340470 - Light-emitting element, display device, electronic device, and lighting apparatus (2019-07-02),

15. 10332859 - Display device with overlapped display panels capable of displaying a wide color gamut image on a seamless wide display region (2019-06-25),

Title: The Innovative Mind of Ryohei Yamaoka

Introduction:

Ryohei Yamaoka, a visionary inventor hailing from Kanagawa, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Yamaoka's latest patents include cutting-edge advancements in artificial intelligence, robotics, and sustainable energy solutions, solidifying his position as a pioneer in the industry.

Career Highlights:

Throughout his illustrious career, Yamaoka has spearheaded numerous projects that have revolutionized the way we interact with technology. His innovative spirit has led to the development of products that have significantly impacted various sectors, from healthcare to transportation.

Collaborations:

Yamaoka is known for his collaborative efforts with leading research institutions and tech companies worldwide. His ability to bring together diverse teams of experts has resulted in the creation of groundbreaking technologies that continue to shape the future.

Conclusion:

In conclusion, Ryohei Yamaoka's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have cemented his legacy as a true trailblazer in the world of inventions. His work serves as an inspiration to aspiring 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]