Location History:
- Oita, JP (2006)
- Ibaraki, JP (2003 - 2016)
- Cambridgeshire, GB (2017)
- Tsukuba, JP (2016 - 2020)
- Tokyo, JP (2018 - 2022)
Company Filing History:
14 out of 6,892 
1 out of 335 
1 out of 574 Years Active: 2003-2022
Title: Tomoyasu Yoshida: Innovator in Light Emitting Devices
Introduction
Tomoyasu Yoshida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light emitting devices, holding a total of 14 patents. His innovative work has advanced the technology used in various applications, showcasing his expertise and creativity.
Latest Patents
Yoshida's latest patents include a light emitting device that features an anode, a cathode, a first organic layer, and a second organic layer positioned between the anode and cathode. The first organic layer contains a light emitting material represented by the formula (T), while the second organic layer consists of a crosslinked body of a polymer compound with specific properties. Another notable patent involves a light emitting device that also includes an anode, a cathode, and two organic layers. The first organic layer contains a compound (T) with a defined energy level difference, and the second organic layer is made of a polymer compound with a minimum energy level.
Career Highlights
Throughout his career, Tomoyasu Yoshida has worked with reputable companies such as Sumitomo Chemical Company, Limited and Cambridge Display Technology Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in light emitting technology.
Collaborations
Yoshida has collaborated with notable coworkers, including Daisuke Fukushima and Ryuji Matsumoto. These partnerships have fostered a creative environment that has led to innovative solutions in their field.
Conclusion
Tomoyasu Yoshida's contributions to light emitting devices exemplify his dedication to innovation and technology. His patents and collaborations reflect a commitment to advancing the industry, making him a significant figure in the realm of inventions.
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.