Company Filing History:
2 out of 5 
1 out of 2 
1 out of 1,627 
Years Active: 1991-1994
Title: Yuji Yamamoto: Innovator in Weatherstrip Technology
Introduction
Yuji Yamamoto is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of weatherstrip technology, holding 2 patents that showcase his innovative approach to materials and manufacturing processes.
Latest Patents
One of his latest patents is a method for making weather strips with a 'suede appearance'. This method involves coextruding a welt portion of a weatherstrip and an outer rubber layer containing fibrillated fibers, such as bast and leaf fibrillated fibers. The process includes vulcanizing the entire portions and subjecting the outer rubber layer to buff processing. Another significant patent is for a corrosion-resistant, water-expandable composition, which highlights his focus on enhancing the durability and functionality of materials used in various applications.
Career Highlights
Throughout his career, Yuji Yamamoto has worked with prominent companies, including Hiroshima Kasei Ltd and Tosco Co., Ltd. His work has been instrumental in advancing the technology behind weatherstrips, making them more effective and appealing to consumers.
Collaborations
Yuji has collaborated with talented individuals such as Taizo Kunimura and Hiroshi Miyachi, contributing to the development of innovative solutions in his field.
Conclusion
Yuji Yamamoto's contributions to weatherstrip technology reflect his dedication to innovation and quality. His patents not only enhance product performance but also demonstrate his commitment to advancing material science.