This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Denka Company Limited, Denka Company Limtied, L'air Liquide,societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude. Active years: 2016-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 387 
1 out of 1 
1 out of 1,527 
Years Active: 2016-2019
Title: Hiroyuki Yashima: Innovator in Chemical Production
Introduction
Hiroyuki Yashima is a notable inventor based in Itoigawa, Japan. He has made significant contributions to the field of chemical production, particularly in the development of novel methods for synthesizing important compounds. With a total of 4 patents to his name, Yashima's work has had a considerable impact on the industry.
Latest Patents
Yashima's latest patents include a method for producing pentachlorodisilane. The primary objective of this invention is to provide a novel production method for pentachlorodisilane, achieving a purity of 90 mass % or more. The method involves a high-temperature reaction step where a raw material gas containing vaporized tetrachlorosilane and hydrogen is reacted to obtain a reaction product gas containing trichlorosilane. Following this, the reaction product gas is cooled in contact with a cooling liquid, leading to the generation of pentachlorodisilane within the condensate. The final step involves the recovery of the generated pentachlorodisilane.
Another significant patent focuses on chloroprene rubber, which is designed to be less adhesive to rolls while providing superior physical properties in its vulcanized product. This invention includes a chloroprene rubber composition that incorporates a steroid skeleton-containing compound, enhancing its performance. The chloroprene rubber can be produced through emulsion polymerization, either alone or in combination with other monomers.
Career Highlights
Throughout his career, Hiroyuki Yashima has worked with Denka Company Limited, where he has contributed to various innovative projects. His expertise in chemical production has positioned him as a valuable asset in the industry.
Collaborations
Yashima has collaborated with notable coworkers such as Sachiyo Kishi and Ikuka Hashimoto. Their combined efforts have led to advancements in the field of chemical production.
Conclusion
Hiroyuki Yashima's contributions to chemical production through his innovative patents demonstrate his commitment to advancing technology in this field. His work continues to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile