Company Filing History:
11 out of 8,776 
1 out of 3 
1 out of 2 Years Active: 1993-2009
Title: Tsuyoshi Tsujioka: Innovator in Organic Electroluminescent Technology
Introduction: Tsuyoshi Tsujioka, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of organic electroluminescent devices. With a remarkable portfolio of 13 patents, Tsujioka has been pivotal in the advancement of lighting technology and display systems. His innovative works have garnered attention in both academic and industrial circles.
Latest Patents: Among his latest patents, Tsujioka has developed an organic electroluminescent device that demonstrates high luminance and efficiency. This innovative device features a structured assembly comprising a hole injecting electrode on a glass substrate, followed by a hole injecting layer, a hole transporting layer, and a light-emitting layer. The light-emitting layer incorporates a host material, a light-emitting dopant, and a unique rubrene derivative as a first light-emission assisting dopant.
Additionally, he has created a display system designed to mitigate the deterioration of the emission layer due to electrode temperature rise, especially in larger formats. This advanced display incorporates a first electrode, an emission layer, and a second electrode, all arranged efficiently to facilitate current flow while maintaining structural integrity.
Career Highlights: Tsuyoshi Tsujioka's career includes significant tenures at prominent companies, most notably Sanyo Electric Co., Ltd. His work has consistently pushed the boundaries of what is achievable in organic light-emitting technologies, establishing him as a thought leader in the industry.
Collaborations: Throughout his career, Tsujioka has collaborated with esteemed colleagues, including Yuji Hamada and Masahiro Irie. These partnerships have furthered the development of innovative technologies and enriched the collaborative landscape of patent creation.
Conclusion: In conclusion, Tsuyoshi Tsujioka's inventive spirit and relentless pursuit of technological advancements have established him as a key figure in the realm of organic electroluminescent devices. His ongoing contributions will undoubtedly continue to influence the future of lighting technology and display systems, making him a notable inventor to watch in the coming years.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.