This inventor holds 6 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Chemical Industries Limited, Mitsubishi Engineering-Plastics Corporation. Active years: 1987-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fukuoka, JP (2001)
- Kitakyushu, JP (1987 - 2016)
Company Filing History:
4 out of 2,427 
1 out of 614 
1 out of 140 
Years Active: 1987-2025
Title: Inventor Yoshitaka Shiraishi: Innovating with Polycarbonate Technologies
Introduction
Yoshitaka Shiraishi is a notable inventor hailing from Kitakyushu, Japan. With a total of five patents to his name, he has made significant contributions to the field of material science, particularly in the development of polycarbonate resin technologies.
Latest Patents
Shiraishi's latest innovations include a remarkable polycarbonate resin laminate designed to improve surface hardness while maintaining excellent color and impact resistance. This laminate consists of at least a surface layer and a resin layer, meeting specific conditions regarding the composition of polycarbonate resins. His innovative approach ensures the surface layer showcases a balance of two polycarbonate resins, achieving a pencil hardness of at least H as per ISO 15184.
Another noteworthy patent is focused on a precision product container that incorporates a resin composition made from polycarbonate resin and an epoxy compound. This container is engineered to prevent contamination by chlorine, ensuring the integrity of precision products throughout their subsequent assembly or processing stages.
Career Highlights
Throughout his career, Yoshitaka Shiraishi has worked with prominent organizations, including Mitsubishi Chemical Corporation and Mitsubishi Chemical Industries Limited. His contributions in these settings have advanced the understanding and application of polycarbonate materials, leading to innovative product designs and enhancements in various industries.
Collaborations
Shiraishi has collaborated with esteemed professionals in his field, including Masaaki Miyamoto and Motonori Ueda. These partnerships have enabled him to integrate diverse expertise and perspectives into his inventions, further enriching the impact of his work on polycarbonate technology.
Conclusion
Yoshitaka Shiraishi's inventive spirit and commitment to innovation in polycarbonate materials have made him a significant figure in his field. With his latest patents focusing on improved laminate and precision container designs, he continues to pave the way for advancements in material science, solidifying his legacy as a distinguished inventor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile