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For the Inventor, By the Inventor

Tsukuba, Japan

Kazuei Ohuchi

USPTO Granted Patents = 15 

 

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Ibaraki, JP (2010 - 2017)
  • Tsukuba, JP (2011 - 2020)
  • Tokyo, JP (2022)

Company Filing History:

goldMedal15 out of 6,892 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal2 out of 335 
 
Cambridge Display Technology Limited
 patents
where one patent can have more than one assignee

Years Active: 2010-2022

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15 patents (USPTO):Explore Patents
1. 11214585 - Light-emitting composition (2022-01-04),
2. 10700292 - Metal complex and light emitting device using the same (2020-06-30),
3. 10529934 - Metal complex and light emitting device using the same (2020-01-07),
4. 10128449 - Metal complex and light emitting device using the same (2018-11-13),
5. 9905767 - High-molecular compound and light-emitting element using same (2018-02-27),
6. 9853218 - High-molecular compound and light-emitting element using same (2017-12-26),
7. 9691983 - Composition containing polymer compound and light-emitting device using the same (2017-06-27),
8. 9478744 - High molecular compound, method for producing same, and light-emitting element (2016-10-25),
9. 9112154 - Metaphenylene polymer compound and light emitting device using the same (2015-08-18),
10. 9109081 - Method for producing aromatic polymer (2015-08-18),
11. 8940856 - Heterocyclic compound and heterocyclic polymers (2015-01-27),
12. 8895675 - Block copolymer (2014-11-25),
13. 8617724 - Polymer compound and light emitting device using the same (2013-12-31),
14. 8048982 - Method for producing aromatic compound polymer (2011-11-01),
15. 7852434 - Aromatic polymer (2010-12-14),

Title: Kazuei Ohuchi: A Pioneer in Light-Emitting Innovations

Introduction

Kazuei Ohuchi is a prominent inventor based in Tsukuba, Japan, recognized for his contributions to the field of light-emitting technologies. With a remarkable portfolio comprising 15 patents, he has made significant advancements in organic light-emitting devices, particularly in the development of novel light-emitting compositions and metal complexes.

Latest Patents

Ohuchi's latest patents include groundbreaking innovations such as a light-emitting composition designed for infrared organic light-emitting devices. This composition utilizes a light-emitting compound with a peak wavelength of at least 650 nm, formulated with specific aromatic and heteroaromatic groups. Additionally, his patent on a metal complex involves a unique formula that incorporates iridium or platinum as the metal center, alongside various ligands, enhancing the efficiency of light-emitting devices.

Career Highlights

Kazuei Ohuchi has held notable positions in prestigious companies, including Sumitomo Chemical Company Limited and Cambridge Display Technology Limited. His extensive experience in these organizations has contributed to his expertise in organic electronics, enabling him to lead innovative projects and research initiatives.

Collaborations

Throughout his career, Ohuchi has collaborated with esteemed colleagues, such as Hideyuki Higashimura and Daisuke Fukushima. Their joint efforts have propelled forward the boundaries of research in light-emitting technologies, fostering an environment of creativity and scientific exploration.

Conclusion

In summary, Kazuei Ohuchi's innovative contributions to the realm of light-emitting devices exemplify his status as a leading inventor. His patents not only reflect his technical proficiency but also demonstrate the potential applications of his work in advancing modern technology.

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