This inventor holds 3 USPTO granted patents. Top assignees: Rengo Co., Ltd., Kuraray Co., Ldt., Kuraray Co., Ltd.. Active years: 1989-1996.
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 77 
1 out of 1 
1 out of 1,872 
Years Active: 1989-1996
Title: The Innovations of Takatoshi Koyakumaru
Introduction
Takatoshi Koyakumaru is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative compositions and processes. With a total of 3 patents to his name, Koyakumaru's work has had a meaningful impact on various industries.
Latest Patents
One of Koyakumaru's latest patents is focused on carbon dioxide gas generating compositions. This invention is characterized by its unique formulation that enhances the efficiency of gas generation. Another significant patent involves adhesives useful for the production of corrugated board. This process utilizes an aqueous adhesive that contains polyvinyl alcohol and clay, or a combination of polyvinyl alcohol, clay, and a water-soluble boron compound. The specific ratios of these components are crucial, with the clay to polyvinyl alcohol ratio ranging from 200 to 600 parts by weight based on 100 parts by weight of polyvinyl alcohol. Additionally, the water-soluble boron compound is limited to no more than 15 parts by weight based on the same amount of polyvinyl alcohol, and the solid content of the adhesive is maintained between 25 to 60% by weight.
Career Highlights
Throughout his career, Koyakumaru has worked with prominent companies such as Rengo Co., Ltd. and Kuraray Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Koyakumaru has collaborated with esteemed colleagues, including Kinichi Shirakawa and Takuji Okaya. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Takatoshi Koyakumaru's contributions to the field of materials science through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile