Location History:
- Yamaguchi, JP (1988)
- Iwakuni, JP (1991 - 2010)
Company Filing History:
2 out of 1,008 
1 out of 1,786 Years Active: 1988-2010
Title: Sadao Yoshimoto: Innovator in Cycloolefin Resin and Hydroxynaphthalene Production
Introduction
Sadao Yoshimoto is a notable inventor based in Iwakuni, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of cycloolefin resin compositions and hydroxynaphthalene derivatives. With a total of 3 patents to his name, Yoshimoto's work has had a considerable impact on the industry.
Latest Patents
Yoshimoto's latest patents include a process for producing cycloolefin resin composition. This innovative method utilizes a twin-screw extruder to minimize the loss of additives during the production process. By strategically placing an additive introduction opening downstream of a vent, he ensures that the additive is effectively incorporated into the resin material.
Another significant patent involves the oxidation of 2,6-diisopropylnaphthalene to produce 2,6-dihydroxynaphthalene. This process enhances the yield of the desired product by employing a specific proportion of a basic compound and optimizing the reaction conditions. The resulting intermediate can be further processed to obtain 2,6-diacetoxynaphthalene, showcasing the versatility of his methods.
Career Highlights
Throughout his career, Sadao Yoshimoto has worked with prominent companies such as Mitsui Petrochemical Industries, Ltd. and Mitsui Chemicals, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in chemical production.
Collaborations
Yoshimoto has collaborated with esteemed colleagues, including Yutaka Haneda and Hisaya Miki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Sadao Yoshimoto's contributions to the field of chemical engineering are noteworthy. His innovative processes for producing cycloolefin resin and hydroxynaphthalene derivatives demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and inspire future innovations.
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.