Location History:
- Sakura, JP (1989)
- Ibaraki, JP (2002 - 2003)
- Tsukuba, JP (2006)
Company Filing History:
2 out of 47 
2 out of 551 
1 out of 26 
Years Active: 1989-2006
Title: Innovator Takefumi Mitsuhashi: Pioneering Color Technologies and Catalysis
Introduction
Takefumi Mitsuhashi, an accomplished inventor based in Ibaraki, Japan, holds five patents that highlight his innovative contributions to the fields of optical technologies and materials science. His work has led to advancements that impact both environmental applications and the efficiency of optical devices.
Latest Patents
Mitsuhashi's recent patents include a noteworthy method for fabricating a color wheel. This invention involves creating a disk-shaped substrate made of a light-transmittable medium, upon which multiple filters are arranged. Each filter is capable of selectively transmitting light rays of specific wavelengths. The method encompasses forming selective color-transmittable films on the substrate's front side and employing a specialized mask for exposure from the back side of the substrate, ensuring precision in the manufacturing process.
Additionally, Mitsuhashi has developed methods for producing ruthenium perovskite (LaRuO3), a material with significant potential as an efficient catalyst. His synthesis process involves reacting a mixed metal ion solution with a precipitate-forming liquid to co-precipitate hydroxides of lanthanum and ruthenium, followed by heat treatment. This innovative approach can lead to a uniform dispersion of catalytic materials, enhancing the effectiveness of reactions critical to environmental sustainability.
Career Highlights
Throughout his career, Takefumi Mitsuhashi has been associated with esteemed institutions such as the National Institute for Research in Inorganic Materials and the National Institute for Materials Science. His expertise and inventive capabilities have propelled him to the forefront of research in materials science and optical technologies.
Collaborations
Mitsuhashi has collaborated with notable peers, including Yoshinori Fujiki and Masayuki Kamei. Their partnerships have likely enriched the development and refinement of his groundbreaking innovations, facilitating a productive exchange of ideas and expertise within the scientific community.
Conclusion
Takefumi Mitsuhashi's contributions to the fields of color technology and catalyst development underscore his significance as an inventor. With a focus on practical applications and environmental impact, his patents reflect a commitment to advancing technology through innovation. His work not only enhances our understanding of materials but also paves the way for future discoveries in related disciplines.