Location History:
- Ueda, JP (2003)
- Nagano, JP (2003 - 2008)
Company Filing History:
3 out of 375 
1 out of 1 Years Active: 2003-2008
Title: Toshiki Koyama: Innovator in Photochemical and Semiconductor Technologies
Introduction
Toshiki Koyama is a notable inventor based in Nagano, Japan. He has made significant contributions to the fields of photochemistry and semiconductor technology. With a total of 4 patents, Koyama's work focuses on innovative materials and applications that enhance energy efficiency and luminescent properties.
Latest Patents
Koyama's latest patents include the development of 4-cyanocoumarin derivatives and their uses. These derivatives exhibit distinct sensitivity to visible light and possess excellent luminescent abilities. They are particularly useful in photochemical polymerization, dye lasers, and organic electroluminescent elements. The fluorescent maximum wavelength of these derivatives ranges from 600 to 650 nm, making them ideal luminescent agents for organic EL elements that emit visible light in the red-color region. Additionally, Koyama has patented semiconductor layers for solar cells that aim to achieve relatively high energy conversion efficiency. These layers are constructed from semiconductor particle groups with a diverse particle size distribution, enhancing the performance of solar cells.
Career Highlights
Throughout his career, Koyama has worked with prominent companies such as Hayashibara Biochemical Laboratories and Optc Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of materials science.
Collaborations
Koyama has collaborated with notable individuals in his field, including Yoshio Taniguchi and Chihaya Adachi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Toshiki Koyama is a distinguished inventor whose work in photochemical and semiconductor technologies has led to significant advancements in energy efficiency and luminescent materials. His contributions continue to impact various applications, making him a key figure in his field.
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.