Location History:
- Yaizu, JP (1978 - 1982)
- Fujikawacho, JP (1989)
- Shizuoka, JP (1985 - 1995)
Company Filing History:
Years Active: 1978-1995
Title: The Innovations of Yoshijiro Oyaizu
Introduction
Yoshijiro Oyaizu is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyurethaneurea elastomers and polyurea resins. With a total of 7 patents to his name, Oyaizu's work has had a lasting impact on various industries.
Latest Patents
Oyaizu's latest patents include a polyurethaneurea elastomer, which is obtained by reacting a polyisocyanate component derived from 1,5-naphthalene diisocyanate with a polyol. This elastomer features an amine component that consists essentially of an amine compound with specific structural characteristics. Another significant patent is for a process for producing polyurea resin, which involves the reaction of an amine compound containing aromatic polyamine and a specific aminobenzoate derivative with polyisocyanate. This innovative process results in a polyurea resin that exhibits improved hardness, strength, toughness, and heat resistance, while also reducing temperature dependence.
Career Highlights
Throughout his career, Yoshijiro Oyaizu has worked with prominent companies such as Ihara Chemical Industry Co., Ltd. and Ihara Chemical Company Co., Ltd. His expertise in polymer chemistry has allowed him to develop advanced materials that are utilized in various applications.
Collaborations
Oyaizu has collaborated with several notable individuals in his field, including Akio Takahashi and Hirokichi Saito. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Yoshijiro Oyaizu's contributions to the field of materials science through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the development of advanced materials in various industries.