Location History:
- Otake, JP (1999 - 2003)
- Toyohashi, JP (2004)
Company Filing History:
Years Active: 1999-2004
Title: Hisaya Yokohama: Innovator in Graft Copolymer Technology
Introduction: Hisaya Yokohama, a distinguished inventor based in Toyohashi, Japan, has made significant contributions to the field of polymer chemistry. With a remarkable portfolio of three patents, his work primarily focuses on advancements in graft copolymers and thermoplastic resin compositions.
Latest Patents: Yokohama's latest patents are groundbreaking in the realm of material science. The first, titled "Graft Copolymer and Thermoplastic Resin Composition Containing the Same," outlines a graft copolymer produced through emulsion graft polymerization. This copolymer features a unique blend of rubber polymers and aromatic alkenyl monomers, delivering enhanced performance in molding applications. Notably, the resulting thermoplastic resin composition minimizes gas evolution during molding, yielding molded articles that exhibit excellent gloss, weather resistance, impact resistance, and fluidity.
His second patent, named "Copolymer, Thermoplastic Resin Composition, and Process for Producing the Same," introduces a copolymer that includes maleimide-based and unsaturated dicarboxylic acid anhydride-based monomer units. This innovation ensures that the copolymer contains minimal unreacted components, contributing to its usability and stability in various applications.
Career Highlights: Yokohama is currently affiliated with the Mitsubishi Rayon Company, Limited, a leading player in the materials industry. His expertise in polymer chemistry, particularly in the synthesis and application of graft copolymers, has positioned him as a valuable asset to his organization.
Collaborations: Throughout his career, Yokohama has collaborated with notable colleagues, including Hiroshi Mori and Yasuaki Ii. These collaborations have fostered an environment of innovation and creativity, allowing for the exchange of ideas and expertise in polymer development and processing.
Conclusion: Hisaya Yokohama stands out as an influential inventor whose work in graft copolymer technology has enhanced the performance of thermoplastic materials. By continually pushing the boundaries of polymer science, he remains a pivotal figure in the industry, contributing to advancements that will shape future applications in various fields.
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.