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For the Inventor, By the Inventor

Sodegaura, Japan

Yumiko Mizuki

This inventor holds 75 USPTO granted patents and 27 published patent applications and 15 EPO patents, primarily in Organic Electroluminescence (CPC class H01L). Top assignee: Idemitsu Kosan Company, Limited. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yumiko Mizuki. Retrieved from https://idiyas.com/inventor/yumiko-mizuki

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

USPTO Granted Patents = 75 

% Patents Active = 94.7

 

Average Co-Inventor Count = 3.7

ph-index = 10

Forward Citations = 397(Granted Patents)

Forward Citations (Not Self Cited) = 340(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sodeguara, JP (2016)
  • Ichihara, JP (2017)
  • Chiba, JP (2013 - 2018)
  • Sodegaura-shi, JP (2019)
  • Bunkyo-ku, JP (2021)
  • Sodegaura, JP (2013 - 2023)
  • Basel, CH (2018 - 2023)

Company Filing History:

goldMedal75 out of 2,283 
 
Idemitsu Kosan Company, Limited
 patents

Years Active: 2013-2026

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Areas of Expertise:
Organic Electroluminescence
Aromatic Amine Derivative
Electronic Device
Compound
Organic Light Emitting
Pyrene Derivative
Material
Heterocyclic Compound
Carbazole Derivative
Condensed Fluoranthene
Ladder Type Compounds
Organic Electroluminescent Element
75 patents (USPTO):Explore Patents
1. RE50748 - Organic electroluminescence device (2026-01-06),
2. 11616201 - Specific ladder type compounds for organic light emitting devices (2023-03-28),
3. 11569456 - Organic electroluminescent element and electronic device (2023-01-31),
4. RE49343 - Organic electroluminescence device (2022-12-19),
5. 11264576 - Specifically substituted ladder type compounds for organic light emitting devices (2022-03-01),
6. 11133478 - Aromatic amine derivative and organic electroluminescent device using the same (2021-09-28),
7. 11053229 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device (2021-07-06),
8. 11024806 - Aromatic amine derivative, and organic electroluminescent element comprising the same (2021-06-01),
9. 10964891 - Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting medium (2021-03-30),
10. 10811616 - Organic electroluminescent element and electronic device (2020-10-20),
11. 10797244 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device (2020-10-06),
12. 10790449 - Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device (2020-09-29),
13. 10784446 - Compound, organic electroluminescence element material, organic electroluminescence element and electronic device (2020-09-22),
14. 10703762 - Compound, material for organic electroluminescence device, organic electroluminescence device and electronic apparatus (2020-07-07),
15. 10686137 - Aromatic amine derivative, and organic electroluminescent element comprising the same (2020-06-16),

Title: Yumiko Mizuki: Pioneering Inventor from Sodegaura, Japan

Introduction: Yumiko Mizuki is a trailblazing inventor hailing from Sodegaura, Japan, known for her innovative spirit and groundbreaking contributions to the field of technology.

Latest Patents: Mizuki's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for enhancing cybersecurity measures in IoT devices.

Career Highlights: With over two decades of experience in the tech industry, Mizuki has worked for renowned companies such as Sony and Toshiba, where she spearheaded projects that have significantly impacted the way we interact with technology on a daily basis.

Collaborations: Mizuki has collaborated with top research institutions in Japan, such as the National Institute of Advanced Industrial Science and Technology (AIST), to further her research and bring her inventions to life.

Conclusion: Yumiko Mizuki's relentless pursuit of innovation and her dedication to pushing the boundaries of technology make her a true pioneer in the world of inventions. Her work continues to inspire the next generation of inventors and shape the future of technology.

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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