This inventor holds 45 USPTO granted patents, primarily in Silver Halide Photography. Top assignee: Fuji Photo Film Company, Limited. Active years: 1976-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Minami-ashigara, JA (1976 - 1978)
- Minimi-ashigara, JP (1980)
- Minami-ashigara, JP (1979 - 1989)
- Minami, JP (1996)
- Kanagawa, JP (1986 - 1997)
Company Filing History:
Years Active: 1976-1997
Areas of Expertise:
Title: **Masakazu Yoneyama: Innovator in Photographic Technology**
Introduction
Masakazu Yoneyama, based in Kanagawa, Japan, is a prolific inventor with an impressive portfolio of 45 patents. His work primarily revolves around enhancing photographic materials and processes, contributing significantly to the photographic technology industry.
Latest Patents
Among his latest patents, Yoneyama has developed a method titled "Process for the Processing of Silver Halide Color Photographic Material." This innovative process involves developing color photographic materials using a color developer that is substantially free of sulfite ions, alongside an aromatic primary amine color developing agent and specific phosphorus compounds. Furthermore, another notable patent is the "Silver Halide Photographic Material," which details a photographic material consisting of light-sensitive silver halide emulsion layers. This emulsion is created with the presence of polyalkylene oxide group-containing organopolysiloxane, vastly improving the production and quality control of silver halide grains and enhancing the photographic properties of the emulsion.
Career Highlights
Yoneyama has established a commendable career at Fuji Photo Film Company, Limited, where he has spearheaded innovations in photographic materials. His advancements not only reflect technical proficiency but also showcase his dedication to improving photographic processes for better results.
Collaborations
During his career, Masakazu Yoneyama has collaborated with notable coworkers, including Nobuo Yamamoto and Yasuo Mukunoki. These partnerships have facilitated a dynamic exchange of ideas, helping to push the boundaries of photographic technology further.
Conclusion
Masakazu Yoneyama remains a key figure in the field of photography, with a notable focus on innovation. Through his multiple patents and collaborative efforts, he continues to influence the evolution of photographic materials, ensuring that Fuji Photo Film Company, Limited and the industry at large keep pace with the ever-evolving technological landscape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile