Location History:
- Minami-ashigara, JA (1976)
- Odawara, JP (1979 - 1980)
- Odaware, JP (1981)
Company Filing History:
Years Active: 1976-1981
Title: Hiroshi Sawaguchi: A Pioneer in Photographic Innovations
Introduction
Hiroshi Sawaguchi, an esteemed inventor based in Odawara, Japan, is recognized for his significant contributions to the field of photography. With seven patents to his name, his work has played a crucial role in advancing photographic technology. His innovations mainly focus on photographic light-sensitive materials, showcasing his expertise and creativity.
Latest Patents
Among his latest patents, Sawaguchi has developed cutting-edge formulations that improve photographic processes. One notable patent involves a photographic silver halide light-sensitive emulsion that includes a cyan color-forming colorless coupler. This coupler reacts with the oxidation product of an aromatic primary amine developing agent, featuring an alkoxy group with a sulfonyl group as a substituent. Another significant patent he holds is for aromatic sulfonamide sulfonyl chloride compounds, which serve as intermediates in creating cyan dye-releasing redox compounds for diffusion transfer photographic materials. These inventions demonstrate Sawaguchi’s innovative approach in enhancing the quality and efficiency of photographic materials.
Career Highlights
Hiroshi Sawaguchi works at Fuji Photo Film Company, Limited, where he has dedicated his career to developing groundbreaking photographic technologies. His research and patents have not only contributed to his company's portfolio but have also expanded the possibilities within the photography industry. His continuous pursuit of innovation reflects his commitment to advancing photographic science.
Collaborations
Throughout his career, Sawaguchi has collaborated with prominent colleagues, including Masatoshi Sugiyama and Tohru Sueyoshi. These partnerships have fostered a collaborative environment that encourages shared ideas and expertise, resulting in successful innovations that benefit the photographic community.
Conclusion
Hiroshi Sawaguchi stands out as a pivotal figure in the realm of photographic inventions. His seven patents, particularly in silver halide materials, highlight his innovative spirit and dedication to enhancing the photographic experience. As he continues to contribute to Fuji Photo Film Company, Limited, his work will undoubtedly continue to leave a lasting impact on the industry for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.