Location History:
- Inabe-gun, JP (2000 - 2001)
- Mie-ken, JP (1999 - 2016)
Company Filing History:
Years Active: 1999-2016
Title: Yasushi Kawashima: Innovator in Spark Plug Technology
Introduction
Yasushi Kawashima is a prominent inventor based in Mie-ken, Japan. He has made significant contributions to the field of internal combustion engine technology, particularly in the development of spark plugs. With a total of 8 patents to his name, Kawashima's innovations have had a lasting impact on automotive engineering.
Latest Patents
Kawashima's latest patents include a gasket for attaching a spark plug and an ignition system. This gasket is designed to attach a spark plug to an internal combustion engine, featuring an annular portion that surrounds the spark plug. The annular portion has contact surfaces on both axial ends, ensuring a secure fit. It is composed of a copper alloy containing aluminum oxide, with the aluminum oxide content ranging from 0.3 wt % to 0.7 wt %.
Another notable patent is for a spark plug specifically designed for internal combustion engines. This spark plug is equipped with a center electrode and a ground electrode, where the ground electrode is fixed to a mount fitting. The ground electrode features a convex portion made from base materials, which projects toward the center electrode. This convex portion includes a fusion solidification part made of precious metal materials, enhancing the performance of the spark plug.
Career Highlights
Kawashima is currently employed at Denso Corporation, a leading company in automotive technology. His work at Denso has allowed him to focus on innovative solutions that improve engine efficiency and performance. His contributions have been recognized within the industry, establishing him as a key figure in spark plug technology.
Collaborations
Throughout his career, Kawashima has collaborated with notable colleagues, including Nobuo Abe and Toshikazu Shimizu. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.
Conclusion
Yasushi Kawashima's work in spark plug technology exemplifies the importance of innovation in the automotive industry. His patents and contributions continue to influence the design and functionality of internal combustion engines.