Location History:
- Aichi, JP (1986)
- Okazaki, JP (1994 - 1998)
Company Filing History:
7 out of 288 
5 out of 36,713 
1 out of 131 
Years Active: 1986-1998
Title: Innovations of Yoshiyuki Hagiwara
Introduction
Yoshiyuki Hagiwara is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of engineering, particularly in the development of metal gaskets. With a total of 7 patents to his name, Hagiwara's work has had a considerable impact on automotive and machinery applications.
Latest Patents
Hagiwara's latest patents include innovative designs for metal gaskets. One of his inventions, titled "Metal gasket with shim," focuses on sealing clearances between clamping members. This metal gasket features a metallic base plate with openings and an annular metallic shim welded around the opening. The design ensures that the nuggets formed by spot welding overlap, creating a secure seal.
Another significant patent is the "Metal gasket," which addresses the sealing of clearances between a cylinder head and a cylinder block in engines. This gasket is designed with a metallic base plate that includes multiple openings and beads. The arrangement allows for effective sealing while minimizing displacement relative to the cylinder head.
Career Highlights
Throughout his career, Hagiwara has worked with prominent companies such as Taiho Kogyo Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has contributed to his expertise in gasket technology and engineering solutions.
Collaborations
Hagiwara has collaborated with notable colleagues, including Osamu Jinno and Yukio Kawai. These partnerships have fostered innovation and advancements in their respective fields.
Conclusion
Yoshiyuki Hagiwara's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the design and functionality of metal gaskets in various applications.