Location History:
- Shizuoka, JA (1977 - 1978)
- Shizuoka, JP (1980 - 1982)
Company Filing History:
10 out of 211 
1 out of 4 Years Active: 1977-1982
Title: Wataro Koike: Innovator in Polyurethane Technology
Introduction
Wataro Koike is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of polyurethane technology, holding a total of 11 patents. His work focuses on developing innovative compounds that enhance the properties of polyurethane elastomers.
Latest Patents
Among his latest patents is the invention of Bis(aminophenylthioalkyl)terephthalate, which serves as a hardener for polyurethane. This compound is characterized by the formula ##STR1##, where R represents a C1-C3 alkyl group. The compounds developed by Koike are particularly useful as hardeners for polyurethane elastomers. Another notable patent involves a process for producing polyurethane elastomers by mixing a hardener composition with an isocyanate composition. This process ensures optimal ratios of isocyanate groups to amino groups, resulting in high-quality elastomers.
Career Highlights
Wataro Koike has worked with notable companies such as Ihara Chemical Industry Co., Ltd. and Ihara Chemical Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and develop innovative solutions for the industry.
Collaborations
Throughout his career, Koike has collaborated with talented individuals, including Chihiro Yazawa and Hideaki Ohashi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Wataro Koike's contributions to polyurethane technology through his innovative patents and collaborations highlight his role as a key figure in the field. His work continues to influence the development of advanced materials in various applications.