Location History:
- Aichi-ken, JP (2014)
- Nagoya, JP (2015)
- Kounan, JP (2016)
- Konan, JP (2017)
Company Filing History:
Years Active: 2014-2017
Title: Innovations by Yuichi Matsunaga
Introduction
Yuichi Matsunaga is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of spark plug technology, holding a total of 5 patents. His work has greatly influenced the automotive industry, particularly in enhancing the durability and performance of spark plugs.
Latest Patents
Matsunaga's latest patents include innovative designs for spark plugs. One of his patents describes a spark plug where a tip containing a noble metal is joined to the electrode base material of a ground electrode via a welded portion. This design features a void above the joining surface, which helps reduce thermal stress caused by differences in thermal expansion. The continuous distance of the welded portion on the joining surface is limited to 0.5 mm, ensuring that the joining strength is maintained while minimizing the risk of peeling or falling-off due to thermal stress. Another patent outlines a spark plug that includes an insulator with an axial hole, a center electrode, and a metallic shell. This design incorporates an annular portion at the forward end of the ground electrode, which forms a spark discharge gap, further enhancing the efficiency of the spark plug.
Career Highlights
Yuichi Matsunaga is currently employed at NGK Spark Plug Company, Limited, where he continues to innovate in spark plug technology. His work has been instrumental in developing products that meet the evolving needs of the automotive industry. His patents reflect a deep understanding of materials and engineering principles, contributing to advancements in spark plug design.
Collaborations
Matsunaga has collaborated with several talented individuals in his field, including Yasushi Sakakura and Yuichi Yamada. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Yuichi Matsunaga's contributions to spark plug technology have made a significant impact on the automotive industry. His innovative designs and patents demonstrate his expertise and commitment to enhancing product performance and durability. His work continues to inspire future advancements in the field.