Location History:
- Kawasaki, JA (1977)
- Kawasaki, JP (1978 - 1979)
Company Filing History:
Years Active: 1977-1979
Title: Toshiro Yokoyama: Innovator in Resin Composition
Introduction
Toshiro Yokoyama is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of high impact resin compositions. With a total of 3 patents to his name, Yokoyama's work has had a considerable impact on the industry.
Latest Patents
Yokoyama's latest patents include innovative formulations that enhance the properties of resin materials. One of his patents describes a high impact resin composition that comprises 100 parts by weight of polymers obtained by ring-opening polymerization of cyano- or ester-substituted norbornene derivatives. This composition includes at least one nitrile group, a substituent containing the nitrile group, an ester group, or a substituent containing the ester group, along with 2 to 25 parts by weight of rubber-like materials. Another significant patent involves a resin composition prepared from 5 to 95 parts by weight of a polymer made from cyano-substituted norbornene derivatives. This polymer has at least one nitrile group or substituents including a nitrile group, combined with 95 to 5 parts by weight of a graft copolymer obtained by grafting at least one elastomer with at least one vinyl compound.
Career Highlights
Throughout his career, Toshiro Yokoyama has worked with prominent companies in the industry. He has been associated with Showa Denko K.K. and Showa Denko Kabushiki Kaisha, where he has contributed to various innovative projects. His expertise in polymer chemistry has allowed him to develop advanced materials that meet the demands of modern applications.
Collaborations
Yokoyama has collaborated with several talented individuals in his field. Notable coworkers include Takashi Ueshima and Shoichi Kobayashi, who have worked alongside him on various projects, contributing to the advancement of resin technology.
Conclusion
Toshiro Yokoyama's contributions to the field of polymer chemistry, particularly in high impact resin compositions, highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to developing solutions that enhance the performance of resin materials in various applications.