This inventor holds 12 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1976-2002.
Location History:
- Minami-ashigara, JA (1976 - 1977)
- Minami-ashigara, JP (1980)
- Kanagawa, JP (1985 - 1987)
- Onakazato Fujinomiya, JP (1994)
- Fujinomiya, JP (1994 - 1996)
- Shizuoka, JP (1997 - 2002)
Company Filing History:
Years Active: 1976-2002
Title: Sugihiko Tada: Innovator in Silver Halide Photographic Emulsions
Introduction
Sugihiko Tada is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of photographic technology, particularly in the production of silver halide photographic emulsions. With a total of 12 patents to his name, Tada's work has had a lasting impact on the industry.
Latest Patents
Tada's latest patents include an apparatus for measuring silver or halogen ion concentration. This innovative method controls the silver ion concentration during the precipitation of silver halide emulsions. The process involves rapidly and uniformly stirring a precipitation bath, ensuring consistent crystal formation and growth. In the initial stages of precipitation, a silver nitrate solution and a halogen salt solution are quantitatively added at a constant flow rate. When the E value approaches a designated region near a preset target, the adding rate of the halogen salt solution is controlled using a fast-acting controller. This method optimizes the solute rate of silver and halogen ions, enhancing the quality of the photographic emulsion.
Career Highlights
Sugihiko Tada is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of photography. His expertise in controlling chemical processes has positioned him as a key figure in the development of advanced photographic materials.
Collaborations
Tada has collaborated with notable coworkers, including Takahito Miyoshi and Hirokazu Saito. Their combined efforts have contributed to the advancement of photographic technology and the refinement of emulsions used in various applications.
Conclusion
Sugihiko Tada's contributions to the field of photographic technology through his innovative patents and collaborations have established him as a leading inventor. His work continues to influence the industry, ensuring the ongoing evolution of photographic materials.