Location History:
- Shiga, JP (2004 - 2016)
- Otsu, JP (2005 - 2018)
- Seoul, KR (2019)
Company Filing History:
17 out of 3,477 
1 out of 832,880 Years Active: 2004-2019
Title: Innovations of Tsuyoshi Tominaga
Introduction
Tsuyoshi Tominaga, an accomplished inventor based in Otsu, Japan, has made significant contributions to the field of optical technologies. With a remarkable 18 patents to his name, Tominaga has become a recognized figure in the realm of photoelectric conversion and organic materials.
Latest Patents
Among his latest innovations are two notable patents. The first invention is a photoelectric conversion element and image sensor that incorporates a first electrode, a second electrode, and at least one organic layer positioned between the electrodes. This unique organic layer comprises at least two types of compounds that share identical skeletons but feature different substituents. This advancement showcases Tominaga's expertise in enhancing image and sensor capabilities.
The second patent pertains to a fluoranthene derivative, which serves as a light-emitting device material. The goal of this invention is to develop an organic thin-film luminescent element that demonstrates improved luminous efficiency, lower drive voltage, and extended durability. The fluoranthene derivative is particularly distinctive due to its specific structure, which includes a fluoranthene skeleton, thereby streamlining the development of advanced lighting technologies.
Career Highlights
Throughout his career, Tsuyoshi Tominaga has been associated with Toray Industries, Inc., where he has played a vital role in various research and development initiatives. His inventive spirit and technical prowess have propelled him to the forefront of innovation in photoelectric materials.
Collaborations
Tominaga has had the opportunity to collaborate with esteemed colleagues in the field, including Kazumasa Nagao and Kazunori Sugimoto. These partnerships have been instrumental in fostering innovative solutions and pushing the boundaries of technology.
Conclusion
Through his extensive work and a portfolio of 18 patents, Tsuyoshi Tominaga has made a significant mark in the field of optical technologies. His innovations in photoelectric conversion elements and luminescent materials continue to pave the way for advancements in various applications, underscoring his status as a leading inventor in Japan.