Location History:
- Tokyo, JP (2020)
- Kitakyushu, JP (2018 - 2023)
Company Filing History:
10 out of 121 
1 out of 88 Years Active: 2018-2023
Title: The Innovations of Tokiko Ueda
Introduction
Tokiko Ueda is a prominent inventor based in Kitakyushu, Japan. She has made significant contributions to the field of organic electroluminescent devices, holding a total of 11 patents. Her work focuses on enhancing the efficiency and stability of these devices, which are crucial for various applications in modern technology.
Latest Patents
One of Ueda's latest patents involves an organic electroluminescent element designed to operate at low voltage while maintaining high efficiency and driving stability. This innovative device includes multiple light-emitting layers situated between an anode and a cathode. At least one of these layers incorporates a host material and a light-emitting dopant. The host material consists of a first host formed from an indolocarbazole compound and a second host made from a carbazole compound. Another notable patent addresses the material for organic electroluminescent elements, which improves luminous efficiency and driving stability while featuring a simple construction. This material includes a carborane compound that is particularly suitable for use in light-emitting layers.
Career Highlights
Throughout her career, Ueda has worked with notable companies such as Nippon Steel Chemical & Material Co., Ltd. and Nippon Steel & Sumikin Chemical Co., Ltd. Her expertise in organic electroluminescent technology has positioned her as a key figure in the industry, contributing to advancements that benefit various sectors.
Collaborations
Ueda has collaborated with several professionals in her field, including Junya Ogawa and Takahiro Kai. These partnerships have fostered innovation and have been instrumental in the development of her patented technologies.
Conclusion
Tokiko Ueda's contributions to organic electroluminescent devices highlight her role as a leading inventor in the field. Her innovative patents and collaborations continue to influence advancements in technology, showcasing her dedication to improving device efficiency and stability.