This inventor holds 3 USPTO granted patents. Top assignees: Idemitsu Kosan Company, Limited, Idemitsu Petrochemical Co., Ltd., Prime Polymer Co., Ltd.. Active years: 1999-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 2,283 
1 out of 555 
1 out of 52 Years Active: 1999-2010
Title: Tohru Iwashita: Innovator in Resin Compositions
Introduction
Tohru Iwashita is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of resin compositions, particularly in applications for internal combustion engines. With a total of 3 patents to his name, Iwashita's work reflects a commitment to enhancing material properties for industrial applications.
Latest Patents
Iwashita's latest patents include a fiber-reinforced resin composition designed for parts of the air intake system of internal combustion engines. The main objective of this invention is to provide a composition that enhances the flexural elasticity modulus while reducing the specific gravity of the parts. This composition comprises a block polypropylene type resin, which constitutes 60-80% by weight, along with glass fibers and mica making up 20-40% by weight of the total composition.
Another significant patent is the flame retardant polystyrenic resin composition. This invention includes several components, such as an SPS, a thermoplastic resin with a reactive polar group, and a compatibilizing agent. The weight ratio of the components is carefully balanced to ensure optimal performance, with specific requirements for the amounts of each component to achieve the desired flame retardant properties.
Career Highlights
Throughout his career, Iwashita has worked with prominent companies, including Prime Polymer Co., Ltd. and Toyo Roki Seizo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in resin technology.
Collaborations
Iwashita has collaborated with notable coworkers such as Shinichi Miura and Taketoshi Matsumoto. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Tohru Iwashita's contributions to resin compositions demonstrate his innovative spirit and dedication to improving material performance in industrial applications. His patents reflect a deep understanding of the complexities involved in creating effective and efficient materials for modern technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile