Company Filing History:
Years Active: 1976-1977
Title: Kinji Ohkubo: Innovator in Photographic Materials
Introduction
Kinji Ohkubo is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of photographic materials, holding a total of 3 patents. His work has been instrumental in advancing the technology used in photography.
Latest Patents
Ohkubo's latest patents include innovative developments in diazo photographic materials. One of his notable inventions involves diazo photographic materials containing 2-hydroxy 3-naphthanilide coupler. This invention allows for the production of pure-blue images by developing a diazo photographic material that contains a photosensitive diazonium compound in the presence of a coupler capable of forming a blue dye. The coupler is represented by a specific general formula, which includes various chemical components that enhance the photographic process. Another significant patent is for a film cassette designed to protect monosheets from exposure to light. This film cassette features an outer case with a front wall defining an opening for exposure, an end wall for removal, and a lightproof protective board that ensures the integrity of the monosheets.
Career Highlights
Kinji Ohkubo is associated with Fuji Photo Film Company, Limited, where he has contributed to various innovative projects. His work has played a crucial role in the development of advanced photographic technologies that have impacted the industry.
Collaborations
Ohkubo has collaborated with notable coworkers such as Takao Masuda and Motohiko Tsubota. Their combined efforts have led to significant advancements in the field of photography.
Conclusion
Kinji Ohkubo's contributions to photographic materials and technologies have established him as a prominent figure in the industry. His innovative patents continue to influence the way photography is approached and practiced today.