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For the Inventor, By the Inventor

Kanagawa, Japan

Masako Takeuchi

USPTO Granted Patents = 13 

 

Average Co-Inventor Count = 4.4

ph-index = 5

Forward Citations = 52(Granted Patents)


Location History:

  • Yokohama, JP (1992 - 2011)
  • Kanagawa, JP (1998 - 2014)

Company Filing History:

goldMedal9 out of 2,346 
 
Mitsubishi Chemical Corporation
 patents
silverMedal4 out of 499 
 
Mitsubishi Kasei Corporation
 patents
bronzeMedal2 out of 2,646 
 
Pioneer Corporation
 patents
where one patent can have more than one assignee

Years Active: 1992-2014

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13 patents (USPTO):Explore Patents
1. 8877355 - Monoamine compound, charge-transporting material, and organic electroluminescent device (2014-11-04),
2. 8427046 - Monoamine compound, charge-transporting material, and organic electroluminescent device (2013-04-23),
3. 8178215 - Organic compound containing at least two carbazolyl-substituted phenyl structures; charge-transporting material and organic el element containing the compound (2012-05-15),
4. 8168307 - Organic compound, charge transport material and organic electroluminescent device (2012-05-01),
5. 8022617 - Organic compound, charge-transporting material, composition for charge-transporting material and organic electroluminescent device (2011-09-20),
6. 7777043 - Compound, charge transporting material and organic electroluminescent element (2010-08-17),
7. 5721084 - Charge controlling agent for electrostatic image development, and toner (1998-02-24),
8. 5629124 - Charge controlling agent for electrostatic image development, and toner (1997-05-13),
9. 5545502 - Electrostatic image-developing toner (1996-08-13),
10. 5385799 - Toner for development of electrostatic image (1995-01-31),
11. 5231173 - Disazo metal chelate compounds for optical recording media (1993-07-27),
12. 5200288 - Electrostatic developing toner with hydroxyaromatic carboxylic acid (1993-04-06),
13. 5166030 - Electrostatic image-developing toner containing a quaternary ammonium (1992-11-24),

Title: The Innovative Contributions of Masako Takeuchi

Introduction

Masako Takeuchi is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of organic electroluminescent devices, holding a total of 13 patents. Her work focuses on enhancing the efficiency and longevity of these devices, which are crucial for modern display technologies.

Latest Patents

Among her latest patents is an innovative organic electroluminescent device that exhibits a long life, high luminance, and high efficiency. This device comprises a substrate with an anode, a hole transport layer, an organic light-emitting layer, and a cathode. The organic light-emitting layer contains an organic compound featuring a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure. Additionally, the hole transport layer includes a monoamine compound, which is represented by a specific formula that allows for various substituents, enhancing the device's performance.

Career Highlights

Masako Takeuchi has worked with notable companies such as Mitsubishi Chemical Corporation and Mitsubishi Kasei Corporation. Her experience in these organizations has allowed her to develop and refine her innovative ideas in the field of organic electronics.

Collaborations

Throughout her career, she has collaborated with esteemed colleagues, including Masayoshi Yabe and Osamu Ando. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Masako Takeuchi's contributions to the field of organic electroluminescent devices highlight her innovative spirit and dedication to advancing technology. Her patents reflect her commitment to creating efficient and long-lasting solutions in the realm of electronics.

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