Location History:
- Matsudo, JP (1987 - 1990)
- Tokyo, JP (2012)
Company Filing History:
Years Active: 1987-2012
Title: Hiroaki Tsugawa: Innovator in Thermal Recording Materials
Introduction
Hiroaki Tsugawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of thermal recording materials, holding a total of 3 patents. His work focuses on enhancing the stability and efficiency of color development in recording materials.
Latest Patents
Tsugawa's latest patents include innovative inventions such as 1,1-bis(4-hydroxyphenyl)-1-phenylethane and a heat-sensitive recording material. The first invention provides a crystal form characterized by a specific X-ray diffraction pattern, which ensures the storing stability of colored images against heat and water. The second patent describes a heat-sensitive recording material that features a color-developing layer containing a leuco dye and an acidic substance, enhancing the efficiency of color development.
Career Highlights
Hiroaki Tsugawa is associated with Nippon Kayaku Kabushiki Kaisha, a company known for its advancements in chemical products. His work has been instrumental in developing materials that improve the quality and durability of thermal recording processes.
Collaborations
Tsugawa has collaborated with notable coworkers such as Masaharu Nomura and Yukio Ishizaka, contributing to the innovative projects at their company.
Conclusion
Hiroaki Tsugawa's contributions to thermal recording materials demonstrate his commitment to innovation and excellence in his field. His patents reflect a deep understanding of material science and its applications in technology.