Company Filing History:
Years Active: 2013-2016
Title: **The Innovative Contributions of Keiju Tonosaki**
Introduction
Keiju Tonosaki is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the field of organic electroluminescence devices. With two patents to his name, Tonosaki continues to innovate and challenge the boundaries of technology.
Latest Patents
Tonosaki's most recent patents showcase his expertise and inventive prowess. The first patent pertains to an organic electroluminescence device that exhibits exceptional emission characteristics. This device effectively suppresses changes in chromaticity when operating at high temperatures, ensuring enhanced durability. The design includes a substrate with a pair of electrodes and a light-emitting layer situated between them. This light-emitting layer consists of a compound represented by a specific chemical formula, which plays a crucial role in the device's performance.
His second patent focuses on a material selecting method for purifying iridium complexes through sublimation. This innovative process involves selecting an iridium complex with a particular structure that demonstrates a weight loss rate of 45% or greater when subjected to high temperatures. This strategic selection is vital for achieving high-purity iridium complexes, which are essential for various advanced technologies.
Career Highlights
Keiju Tonosaki is currently employed at UDC Ireland Limited, where he applies his knowledge and skills to further advance the field of organic electronics. His dedication to research and development has established him as a valuable asset within his organization.
Collaborations
Throughout his career, Tonosaki has collaborated with notable professionals in the industry, including Toshihiro Ise and Tetsu Kitamura. These partnerships have fostered a rich environment for innovation and have led to groundbreaking advancements in electronic materials.
Conclusion
Keiju Tonosaki exemplifies the spirit of innovation, demonstrating how dedicated inventors can impact the technological landscape. His work in organic electroluminescence devices and iridium complex purification methods positions him as a key figure in the field, inspiring future advancements and innovations.