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For the Inventor, By the Inventor

Kanagawa, Japan

Hiromi Seo

USPTO Granted Patents = 117 

Average Co-Inventor Count = 4.2

ph-index = 19

Forward Citations = 1,124(Granted Patents)

Forward Citations (Not Self Cited) = 914(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sagamihara, JP (2015 - 2022)
  • Kanagawa, JP (2014 - 2024)

Company Filing History:

goldMedal117 out of 16,627 
 
Semiconductor Energy Laboratory Co., Ltd.
 patents

Years Active: 2014-2025

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Areas of Expertise:
Light-Emitting Element
Organic Semiconductor Device
Organic El Device
Photodiode Sensor
Display Device
Lighting Device
Organometallic Complex
Heterocyclic Compound
Electron-Transport Layer Material
Electron-Blocking Layer Material
Hole-Transport Layer Material
Novel Organic Compound
117 patents (USPTO):Explore Patents
1. 12439814 - Light-emitting element, light-emitting device, display device, electronic appliance, and lighting device (2025-10-07),
2. 12419155 - Hole-transport layer material, electron-blocking layer material, electron-transport layer material, hole-blocking layer material, light-emitting device, light-emitting apparatus, electronic device, and lighting device (2025-09-16),
3. 12349591 - Light-emitting device, light-emitting apparatus, electronic device, and lighting device (2025-07-01),
4. 12302685 - Light-emitting device, light-emitting apparatus, electronic device, and lighting device (2025-05-13),
5. 12295256 - Light-emitting element, light-emitting device, electronic device, and lighting device (2025-05-06),
6. 12262574 - Light-emitting element (2025-03-25),
7. 12250884 - Light-emitting element, light-emitting device, electronic appliance, and lighting device (2025-03-11),
8. 12232342 - Organic semiconductor device, organic el device, photodiode sensor, display device, light-emitting apparatus, electronic device, and lighting device (2025-02-18),
9. 12167675 - Organometallic complex, light-emitting element, light-emitting device, electronic device, and lighting device (2024-12-10),
10. 12082429 - Light-emitting device, light-emitting apparatus, electronic device, and lighting device (2024-09-03),
11. 12069951 - Light-emitting element, compound, organic compound, display module, lighting module, light-emitting device, display device, lighting device, and electronic device (2024-08-20),
12. 12063803 - Light-emitting element including light-emitting layer having host material (2024-08-13),
13. 11974447 - Light-emitting device, light-emitting apparatus, electronic device, and lighting device (2024-04-30),
14. 11968889 - Light-emitting element, light-emitting device, electronic device, and lighting device (2024-04-23),
15. 11937439 - Light-emitting element, light-emitting device, display device, electronic appliance, and lighting device (2024-03-19),

Title: Innovator Spotlight: Hiromi Seo - Pioneering Light-Emitting Technologies.

Introduction: Hiromi Seo, a renowned inventor based in Kanagawa, Japan, has blazed a trail in the field of light-emitting technologies with his impressive portfolio of 104 patents. His groundbreaking work at Semiconductor Energy Laboratory Co., Ltd. has revolutionized the industry, making him a prominent figure in the world of innovation.

Latest Patents:

1. Seo's latest patents include a series of advancements in light-emitting elements, devices, and electronic appliances. These innovations focus on enhancing lifetime, emission efficiency, and practical application of light-emitting technologies.

2. One notable patent describes a multicolor light-emitting element that combines fluorescence and phosphorescence in a stacked-layer structure, minimizing manufacturing steps and maximizing emission efficiency.

Career Highlights: Throughout his career, Hiromi Seo has consistently pushed the boundaries of light-emitting technologies, cementing his reputation as a visionary inventor. His work has not only garnered recognition within the industry but has also contributed significantly to the advancement of innovative display and lighting solutions.

Collaborations: Seo's collaborations with esteemed colleagues such as Satoshi Seo and Tatsuyoshi Takahashi have further enriched his inventive journey. Together, they have synergized their expertise to develop cutting-edge technologies that have set new standards in the field.

Conclusion: In conclusion, Hiromi Seo stands as a trailblazer in the realm of light-emitting technologies, with his relentless pursuit of innovation and commitment to excellence shaping the future of the industry. His impressive patent portfolio and collaborations underscore his position as a pioneering inventor, inspiring generations to come with his visionary approach to invention.

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