Company Filing History:
10 out of 1,641 
2 out of 42,523 
Years Active: 1978-1998
Title: Shigeo Tachiki: Innovating Color Filters in Hitachi, Japan
Introduction
Shigeo Tachiki is an accomplished inventor based in Hitachi, Japan, known for his significant contributions in the field of optical materials. With a remarkable portfolio of 10 patents, he has focused on enhancing the performance and efficiency of color filters, which are crucial in various display technologies.
Latest Patents
Among Shigeo Tachiki's latest innovations is a patented process for the production of a color filter that boasts excellent optical properties. This process utilizes a photo-sensitive composition comprising a resin, pigments, monomers, and a photoinitiator to create a film on a substrate. The film is then exposed to light and developed using a specialized developer, leading to high yields in production.
Additionally, Tachiki has developed a colored image forming material that enhances dispersion stability and optical sensitivity. This material includes a copolymer containing a carboxyl group, a coloring agent, and a specific sensitizer that can significantly improve the characteristics of photosensitive elements and color filters.
Career Highlights
Throughout his career, Shigeo Tachiki has been associated with leading companies, including Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His work in these organizations has not only advanced his personal inventions but has also contributed to the growth of innovative technologies within the optical materials sector.
Collaborations
Tachiki has collaborated with notable coworkers, such as Toshihiko Akahori and Nobuyuki Hayashi. Their joint efforts have driven forward the research and development of cutting-edge solutions in color filtering technology, showcasing the importance of teamwork in achieving significant advancements.
Conclusion
Shigeo Tachiki's contributions to the field of color filter technology demonstrate his role as a pivotal inventor in Japan. With his extensive patent portfolio and collaborative spirit, he continues to influence advancements in optical materials, paving the way for future innovations in display technology.