Location History:
- Fujinomiya, JP (1983)
- Shizuoka, JP (1984 - 1985)
Company Filing History:
Years Active: 1983-1985
Title: The Innovations of Shojiro Watanabe
Introduction
Shojiro Watanabe is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of color development and heat-sensitive recording materials. With a total of 5 patents to his name, Watanabe's work has had a lasting impact on the industry.
Latest Patents
One of Watanabe's latest patents is a method of preparing color developer sheets. This method involves preparing two separate coating solutions, A and B. Coating Solution A is created by dissolving an aromatic carboxylic acid metal salt in an organic solvent and emulsifying it in water. Coating Solution B is prepared by mechanically dispersing the same metal salt in an aqueous system. The two solutions are mixed in a specific weight ratio, resulting in a color developer sheet that exhibits high developing ability and a rapid color-forming rate. This innovation also reduces fog formation when used as an intermediate sheet.
Another significant patent is for heat-sensitive recording paper. This paper consists of a support base coated with an almost colorless electron donating dye, an organic acid that reacts with the dye, and a phenolic compound. The phenolic compound is characterized by a specific formula that includes branched alkyl groups. This heat-sensitive paper produces clear images without fogging and minimizes fading due to humidity or heat.
Career Highlights
Watanabe is currently associated with Fuji Photo Film Company, Limited, where he continues to innovate in the field of recording materials. His work has been instrumental in advancing technologies that enhance image clarity and durability.
Collaborations
Watanabe has collaborated with notable coworkers such as Tomizo Namiki and Fumiaki Shinozaki. Their combined expertise has contributed to the successful development of various innovative products.
Conclusion
Shojiro Watanabe's contributions to the field of color development and heat-sensitive recording materials highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the quality and functionality of recording materials, making a significant impact in the industry.
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.