Company Filing History:
Years Active: 2015-2019
Title: Takuma Ogawa: Innovator in Pressure-Sensitive Adhesives
Introduction
Takuma Ogawa is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of pressure-sensitive adhesives, holding 2 patents that showcase his innovative approach to adhesive technology.
Latest Patents
One of his latest patents is a pressure-sensitive adhesive (PSA) sheet that demonstrates high peel strength to low polar adherends while maintaining excellent flexibility. This invention features a PSA sheet comprising a PSA layer (A) that serves as the adhesive face and a viscoelastic layer (B) that supports the PSA layer (A). The viscoelastic layer (B) contains hollow particles or bubbles, while the PSA layer (A) is based on an acrylic polymer (a). Notably, the copolymerization ratio of an acidic group-containing monomer in the acrylic polymer (a) is 5% by weight or lower.
Another significant patent involves a joined body and the method of producing it. This joined body consists of an adherend, a primer layer on the adherend, and a pressure-sensitive adhesive layer on the primer layer. The primer layer includes at least one of chlorinated polypropylene and chlorinated polyethylene, with the effective component's amount per unit area being 0.5 [mg/cm] or less. The surface of the adherend may be made of materials such as polypropylene (PP), polyvinyl chloride (PVC), and ethylene-propylene-diene rubber (EPDM).
Career Highlights
Takuma Ogawa is associated with Nitto Denko Corporation, a leading company in adhesive technology. His work has significantly advanced the capabilities of pressure-sensitive adhesives, making them more effective for various applications.
Collaborations
Throughout his career, Ogawa has collaborated with notable colleagues, including Kenichi Nishikawa and Hiroyuki Tsubaki. These collaborations have further enriched his contributions to the field of adhesive technology.
Conclusion
Takuma Ogawa's innovative work in pressure-sensitive adhesives has led to advancements that benefit various industries. His patents reflect a commitment to enhancing adhesive performance and functionality.