Location History:
- Nihonbashi, JP (1990)
- Chiba, JP (1989 - 1992)
- Chiba Prefecture, JP (1993 - 2008)
- Ichihara, JP (1988 - 2015)
Company Filing History:
7 out of 523 
7 out of 219 
1 out of 252 
Years Active: 1988-2015
Title: **The Innovative Contributions of Inventor Keiji Yoshida**
Introduction
Keiji Yoshida is a renowned inventor based in Chiba Prefecture, Japan. With an impressive portfolio of 15 patents, he has made significant contributions to the field of silicone technology. His innovative work focuses on curable liquid silicone rubber compositions and the methods for their preparation, which have considerable industrial applications.
Latest Patents
Yoshida's latest inventions include a curable liquid silicone rubber composition intended for forming sealing members. This unique composition consists of various components, including an alkenyl group-containing liquid organopolysiloxane, a reinforcing silica filler, and a platinum group catalyst. The cured materials produced from this composition exhibit a JIS type A durometer hardness ranging from 15 to 26 and a tensile stress at 100% elongation between 0.25 to 0.60 MPa. Furthermore, he developed an apparatus for preparing aqueous emulsions from curable silicone compositions, which involves a continuous mixer and specific temperature control to ensure quality emulsification of the components. These advancements play a crucial role in various industrial processes, enhancing the efficiency and capabilities of silicone products.
Career Highlights
Keiji Yoshida has worked with esteemed organizations such as Dow Corning and Toray Silicone Company Limited, where he honed his expertise in silicone technologies. His time at these companies has facilitated the development of innovative products that address the needs of modern manufacturing and application challenges in various sectors.
Collaborations
Throughout his career, Yoshida has collaborated with notable professionals such as Mitsuo Hamada and Yoshitsugu Morita. These partnerships have allowed for a synergistic approach to research and development, resulting in significant advancements in silicone applications and technologies.
Conclusion
Keiji Yoshida's contributions to the world of silicone rubber compositions and emulsions have set benchmarks in the industry. His patented innovations not only showcase his expertise but also emphasize the importance of collaboration in driving advancements in technology. As he continues to explore new horizons, Yoshida remains an influential figure in pushing the boundaries of silicone engineering.
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.