Company Filing History:
Years Active: 1978-1980
Title: **Yoshio Nishina: Innovator in Photographic Technology**
Introduction
Yoshio Nishina is a prominent inventor based in Hino, Japan. With a notable record of three patents, he has made significant contributions to the field of photographic materials and technology. His innovative ideas and methods have paved the way for advancements in the photography industry.
Latest Patents
Nishina's latest patents reflect his expertise in light-sensitive silver halide photographic materials. One of his key inventions is a method of processing light-sensitive silver halide photographic material using a developing solution that contains no hydroquinones. This method involves a support and a silver halide emulsion layer, which is coated with silver halide grains averaging 0.1 to 0.8 microns in size. At least 75% of these grains remain within a range of 0.6 to 1.4 times the average grain size, and the material incorporates a tetrazolium specified compound.
Another significant patent developed by Nishina is the process of forming a high-contrast silver image. This process treats light-sensitive silver halide photographic material, comprising a support and a silver halide emulsion layer, along with another hydrophilic colloidal layer. At least one of these layers contains a substantially non-diffusible compound with oxidizing power on a hydroquinone developing agent. This process utilizes a developer that also contains no hydroquinone, following exposure.
Career Highlights
Yoshio Nishina has made a lasting impact on the photography world through his inventive techniques and patented methods. He is currently affiliated with Konishiroku Photo Industry Co., Ltd., a company known for its innovative approach to photographic equipment and materials. His work has not only led to advancements in the industry but has also established him as a sought-after inventor in his field.
Collaborations
Throughout his career, Nishina has collaborated with notable colleagues such as Syunji Matsuo and Toshio Nagatani. Together, they have shared ideas and contributed to the evolution of photographic materials, further enhancing the capabilities of modern photography.
Conclusion
Yoshio Nishina's contributions to the field of photographic technology exemplify the spirit of innovation. His inventive methods and patented processes have transformed the way light-sensitive materials are developed and utilized, making him a distinguished figure in the world of photography. As technology continues to evolve, Nishina's work will undoubtedly serve as a foundation for future advancements in the industry.