Location History:
- Yokohama, JP (1980 - 1981)
- Kanagawa, JP (1985 - 1994)
- Yokosuka, JP (1983 - 1996)
Company Filing History:
31 out of 1,379 
1 out of 170 Years Active: 1980-1996
Title: **Innovations of Saburo Kawashima: A Luminary in Polyimide Development**
Introduction
Saburo Kawashima, based in Yokosuka, Japan, has made significant contributions to the field of materials science, particularly through his extensive research and innovations in polyimides. With a remarkable portfolio of 32 patents, Kawashima's work exemplifies the integration of chemical engineering and material properties, paving the way for advanced applications in various industries.
Latest Patents
Kawashima's latest patents center on the development and preparation of polyimides with exceptional thermal resistance. One key aspect of his invention involves the condensation of 4,4'-bis(3-aminophenoxy)biphenyl with pyromellitic dianhydride, utilizing various diamine compounds along with optional tetracarboxylic acid dianhydrides. These innovative polyimides are formulated into heat-resistant resin compositions, consisting primarily of aromatic polyetherimide combined with specific polyimides, and high-temperature engineering polymers. Additionally, he explores resin compositions that incorporate defined polyimides and aromatic polyamideimides, further enhancing their performance under extreme conditions.
Career Highlights
Throughout his career, Saburo Kawashima has been associated with prominent companies such as Mitsui Toatsu Chemicals, Incorporated and Amdahl Corporation. His expertise in developing advanced polymer materials has positioned him as a vital contributor to innovation in chemical engineering.
Collaborations
Kawashima collaborated with notable colleagues like Akihiro Yamaguchi and Shoji Tamai, enhancing the collective knowledge and expertise in developing advanced polyimide technologies. These partnerships have fostered an environment of innovation, leading to breakthroughs in material applications that benefit various sectors.
Conclusion
Saburo Kawashima stands out as a remarkable inventor in the field of polyimide research. His extensive patent portfolio and collaborative efforts highlight his commitment to advancing material science, particularly in creating heat-resistant polymers. With his contributions, Kawashima continues to inspire future innovations and developments within 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.