Company Filing History:
Years Active: 1981
Title: Tsutomu Hamanka: Innovator in Photographic Imaging
Introduction
Tsutomu Hamanka is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic imaging, particularly through his innovative processes.
Latest Patents
Hamanka holds a patent for a process for forming photographic images. This process involves the development processing of an imagewise exposed silver halide photographic light-sensitive material in the presence of a carboxy- and sulfo-free naphthalene compound. The compound is characterized by specific substitutions on the naphthalene nucleus, as indicated in the relevant formula, along with a 3-pyrazolidone compound. He has 1 patent to his name.
Career Highlights
Tsutomu Hamanka is associated with Fuji Photo Film Company, Limited, where he has been instrumental in advancing photographic technologies. His work has helped enhance the quality and efficiency of photographic image formation.
Collaborations
Hamanka has collaborated with Junkichi Ogawa, contributing to the development of innovative photographic processes.
Conclusion
Tsutomu Hamanka's contributions to photographic imaging demonstrate his expertise and commitment to innovation in the field. His work continues to influence the industry and inspire future advancements.