This inventor holds 14 USPTO granted patents and 3 EPO patents. Top assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 1980-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nobeoka, JP (1980 - 2004)
- Yokohama, JP (2012)
- Tokyo, JP (2006 - 2015)
Company Filing History:
6 out of 1,297 
5 out of 510 
3 out of 998 Years Active: 1980-2015
Title: Innovations of Yoshiyuki Asahina
Introduction
Yoshiyuki Asahina is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of polyisocyanate compositions, holding a total of 14 patents. His work has advanced the understanding and application of these materials in various industries.
Latest Patents
Asahina's latest patents include a polyisocyanate composition and a coating composition containing the same. This isocyanurate type polyisocyanate composition is derived from an aliphatic diisocyanate monomer and an alcohol. It meets specific requirements, including a viscosity at 25°C of 500-1,500 mPa·s and an isocyanurate trimer concentration of 60-95 mass %. Additionally, it has defined proportions of allophanate and urethodione bonds. Another notable patent is for cationic blocked polyisocyanate and an aqueous composition comprising the same. This invention involves blocked polyisocyanates that include both a blocked isocyanate group and a cationic group neutralized with an anion.
Career Highlights
Yoshiyuki Asahina has worked with notable companies such as Asahi Kasei Kogyo Kabushiki Kaisha and Asahi Kasei Chemicals Corporation. His experience in these organizations has allowed him to develop innovative solutions and contribute to advancements in chemical compositions.
Collaborations
Throughout his career, Asahina has collaborated with talented individuals, including Taketoshi Usui and Hironori Katagawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoshiyuki Asahina's contributions to the field of polyisocyanate compositions have made a lasting impact. His innovative patents and collaborations highlight his dedication to advancing chemical technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile