This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Riken Vinyl Industry Co., Ltd, Riken Technos Corporation. Active years: 2001-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2001-2003
Title: Yasushi Tokunaga: Innovator in Resin Technology
Introduction: Yasushi Tokunaga is a distinguished inventor based in Tokyo, Japan, known for his innovative contributions to resin technology. With three patents to his name, he has made significant advancements in the field that enhance the properties and applications of resin materials.
Latest Patents: Tokunaga's latest patents focus on a unique resin composition and resin sheet. These inventions provide a resin composition consisting of 50 to 99 percent by weight of a completely amorphous polyester resin (A), along with 1 to 50 percent by weight of a graft copolymer (B) or (C). The graft copolymers are obtained through the graft-polymerization of methacrylic acid esters and vinyl aromatic compounds with embedded rubber particles. The resulting resin composition and sheet are specifically designed for processes such as membrane pressing, vacuum pressing, and air pressing. They exhibit superior properties, including excellent workability, moldability, impact resistance, and transparency. Additionally, these innovations address issues such as plate-out and whitening during embossing and heat sealing, making them highly valuable in various applications.
Career Highlights: Throughout his career, Yasushi Tokunaga has held positions in reputable companies such as Riken Vinyl Industry Co., Ltd and Riken Technos Corporation. His work in these organizations has contributed to his expertise and his ability to drive innovations in resin technology.
Collaborations: Tokunaga has collaborated with notable coworkers including Motohiro Shimizu and Takafumi Nozawa. These collaborations have enhanced his research and development efforts, leading to the creation of impactful inventions in the industry.
Conclusion: Yasushi Tokunaga stands out as a significant figure in the realm of resin technology, with his inventions paving the way for improved materials and processes. His dedication to innovation and collaboration within the industry continues to contribute to advancements that benefit various applications and enhance material performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile