Company Filing History:
3 out of 1,252 
2 out of 3,106 
Years Active: 1980-1990
Title: The Innovations of Atushi Kamitakahara
Introduction
Atushi Kamitakahara is a notable inventor based in Hino, Japan. He has made significant contributions to the field of photography, particularly in the development of light-sensitive materials. With a total of 5 patents to his name, Kamitakahara's work has had a lasting impact on photographic technology.
Latest Patents
Kamitakahara's latest patents include a direct positive silver halide light-sensitive color photographic material. This innovative material comprises, on a support, at least three light-sensitive silver halide emulsion layers containing internal latent image-type light-sensitive silver halide grains. It also includes specific sensitizing dyes and at least one anti-irradiation compound. Another significant patent is for a direct positive silver halide photographic material that features an internal latent image-type silver halide emulsion layer. This material provides a direct positive image through a fogging treatment after imagewise exposure. The silver halide particles forming the emulsion layer consist of a core portion made of silver halide, chemically sensitized or doped with metal ions, and multiple shell portions made of silver halide containing silver chloride.
Career Highlights
Throughout his career, Kamitakahara has worked with prominent companies in the photography industry, including Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in photographic materials.
Collaborations
Kamitakahara has collaborated with notable coworkers such as Keiji Ogi and Tomimi Yoshizawa. Their combined efforts have led to significant innovations in the field of photography.
Conclusion
Atushi Kamitakahara's contributions to photographic technology through his patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and inspire future innovations.