Company Filing History:
2 out of 622 
1 out of 1,297 
Years Active: 1992
Title: Toshimitsu Nakajima: Innovator in Heat-Sensitive Recording Materials
Introduction
Toshimitsu Nakajima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of heat-sensitive recording materials. With a total of 2 patents, his work has advanced the technology used in various recording applications.
Latest Patents
His latest patents include a process for producing a heat-sensitive recording material that excels in both the stability of the base surface and the recorded image. This process is characterized by adjusting the pH of a heat-sensitive coating suspension to a range of 5 to 12. Another significant invention is a heat-sensitive recording material that minimizes fog in the background area while providing superior color toning effects and high image storage stability. This material contains a fluoran compound along with an aromatic isocyanate compound and an imino compound that forms color upon the application of heat. The invention may also include a heat fusible substance and/or a phenol compound to enhance heat responsivity and anti-fogging properties.
Career Highlights
Throughout his career, Toshimitsu Nakajima has worked with prominent companies such as Mitsubishi Paper Mills Limited and Asahi Kasei Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in the development of innovative materials.
Collaborations
He has collaborated with notable coworkers, including Shigetoshi Hiraishi and Yutaka Shimura, which has further enriched his work and contributions to the field.
Conclusion
Toshimitsu Nakajima's innovations in heat-sensitive recording materials demonstrate his commitment to advancing technology in this area. His patents reflect a deep understanding of material science and its applications.