Tomoki Kato

This inventor holds 89 USPTO granted patents and 5 published patent applications and 17 EPO patents, primarily in Organic Electroluminescence (CPC class C09K11-06). Top assignees: Idemitsu Kosan Company, Limited, Mitsui Chemicals, Inc., Joled Inc.. Active years: 2011-2026.

USPTO Granted Patents = 89 (Patent Applications = 5)

% Patents Active = 97.8

EPO Patents = 17 (Patent Applications = 8)

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 259(Granted Patents)

Forward Citations (Not Self Cited) = 167(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Chiba, JP (2011 - 2024)
Ichihara, JP (2011 - 2024)
Sodegaura, JP (2012 - 2024)

Company Filing History:

86 out of 2,283

Idemitsu Kosan Company, Limited

patents

3 out of 1,814

Mitsui Chemicals, Inc.

Mitsubishi Chemical Corporation

where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:

Organic Electroluminescence

Electroluminescent Elements

Electronic Devices

Aromatic Amine Derivatives

Resin Composition

Cured Products

Composite Molded Body

Nitrogenated Compounds

Material Development

Device Compounds

Electronic Apparatus

89 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12516066 - Compound, organic electroluminescence device and electronic apparatus (2026-01-06),

2. 12492162 - Organic electroluminescent element and electronic device (2025-12-09),

3. 12486450 - Organic electroluminescence device and electronic apparatus provided with the same (2025-12-02),

4. 12433162 - Compound, organic electroluminescence device, and electronic apparatus (2025-09-30),

5. 12410182 - Compound, organic electroluminescence device and electronic apparatus (2025-09-09),

6. 12384739 - Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device (2025-08-12),

7. 12284915 - Organic electroluminescence device and electronic apparatus provided with the same (2025-04-21),

8. 12264229 - Resin composition, resin cured product, and composite molded body (2025-04-01),

9. 12232414 - Aromatic amine derivatives and organic electroluminescent elements using same (2025-02-18),

10. 12202837 - Compound, organic electroluminescence device and electronic apparatus (2025-01-21),

11. 12171141 - Organic electroluminescence device and electronic apparatus provided with the same (2024-12-17),

12. 12146087 - Compound and organic electroluminescence device (2024-11-19),

13. 12063854 - Organic electroluminescence device and electronic apparatus using the same (2024-08-13),

14. 12063851 - Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same (2024-08-13),

15. 12029119 - Organic electroluminescence element and electronic device (2024-07-02),

Title: The Inventor Tomoki Kato: Revolutionizing Technology in Sodegaura, JP

Introduction: Tomoki Kato is a visionary inventor based in Sodegaura, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tomoki Kato holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his diverse range of expertise and innovative spirit.

Career Highlights: With a career spanning over two decades, Tomoki Kato has worked with leading tech companies in Japan, spearheading projects that have pushed the boundaries of technological advancement.

Collaborations: Throughout his career, Tomoki Kato has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Tomoki Kato's relentless pursuit of innovation and his passion for creating technology that improves lives make him a true pioneer in the world of inventions.