Company Filing History:
11 out of 3,600 
8 out of 341 
1 out of 487 Years Active: 1983-1996
Title: Innovations of Rikio Tsushima in Polymer Technology
Introduction
Rikio Tsushima, a distinguished inventor based in Wakayama, Japan, has made significant contributions to the field of polymer technology through his innovative patents. With a total of 19 patents to his name, Tsushima has demonstrated his expertise and creativity in developing advanced materials and processes.
Latest Patents
One of Tsushima's notable innovations is a process for preparing uniformly sized, fine particles of polymer. This method involves mixing a nonionic organic compound, compatible with an oil-soluble, ethylenically unsaturated monomer, and then adding this mixture to an aqueous dispersion of seed polymer particles. The polymerization occurs in the presence of an oil-soluble initiator, resulting in uniformly sized, fine polymer particles.
Another significant patent is for a magnetic recording medium comprising a specified polyurethane binder. This medium consists of a non-magnetic support topped with a magnetic layer incorporating a crosslinked polyurethane binder with an average molecular weight ranging from 900 to 50,000. The unique formulation includes specific hydrocarbon groups derived from di-isocyanate compounds. This innovative design enhances the functionality and durability of magnetic recording media.
Career Highlights
Throughout his career, Rikio Tsushima has been affiliated with renowned companies, including Kao Corporation and Kao Soap Company, Ltd. His work in these organizations has facilitated the advancement of polymer technology and applications in various sectors, proving essential for next-generation materials.
Collaborations
Tsushima has collaborated with several esteemed colleagues in the field, including Kinjiro Matsunaga and Takeo Okumura. These collaborations have likely enriched his inventive insights and helped bring innovative ideas to fruition.
Conclusion
Rikio Tsushima's extensive portfolio of patents illustrates his profound impact on polymer technology. His innovative processes and materials not only advance scientific understanding but also pave the way for practical applications in various industries. As he continues to push the boundaries of invention, the influence of his work in the field will be felt for years to come.
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.