Location History:
- Minami-ashigara, JA (1976 - 1978)
- Ashigara, JP (1990 - 1991)
- Minami Ashigara, JP (1978 - 1994)
- Kanagawa, JP (1985 - 1998)
Company Filing History:
Years Active: 1976-1998
Title: The Innovations of Kiyoshi Nakazyo in Photographic Technology
Introduction: Kiyoshi Nakazyo, a prominent inventor based in Kanagawa, Japan, has made significant contributions to the field of photographic technology. With a remarkable portfolio of 38 patents, Nakazyo's innovative work has advanced the capabilities of silver halide photographic materials, shaping the industry in numerous ways.
Latest Patents: Among Nakazyo's most recent patents are two pivotal inventions focused on silver halide photographic materials. The first patent describes a silver halide photographic material that includes a support layer comprising a poly(alkylene aromatic dicarboxylate). This material is specifically engineered to be heat-treated under controlled temperatures, significantly enhancing the performance of the silver halide light-sensitive layers. The second patent introduces a silver halide color photographic material that incorporates a sophisticated chemistry involving a developing solution-deactivated type timing DIR. This innovation results in the formation of nondiffusing dyes or dyes that get released during the development process, allowing for more versatile photographic applications.
Career Highlights: Kiyoshi Nakazyo's career is marked by his association with Fuji Photo Film Company, Limited, where he has played an integral role in advancing photographic technologies. His patents reflect a deep understanding of the chemical and physical properties of photographic materials, making him a valuable asset in the development of new and improved products for the industry.
Collaborations: Throughout his career, Nakazyo has collaborated with other notable inventors, including Toshio Kawagishi and Akio Okumura. These partnerships have fostered a collaborative environment that spurs creativity and leads to groundbreaking innovations in photographic materials.
Conclusion: Kiyoshi Nakazyo's contributions to the field of photographic technology through his numerous patents exemplify the spirit of innovation. His work with silver halide materials has not only enhanced the quality of photographic products but also laid the foundation for future advancements in the industry. As he continues to work alongside esteemed colleagues at Fuji Photo Film Company, Limited, the impact of his inventions will be felt for years to come.