Location History:
- Kakamigahara, JP (2015)
- Kariya, JP (2017 - 2023)
Company Filing History:
Years Active: 2015-2023
Title: Naoto Hayashi: Innovator in Spark Plug Technology
Introduction
Naoto Hayashi is a prominent inventor based in Kariya, Japan, known for his significant contributions to spark plug technology. With a total of 11 patents to his name, Hayashi has made remarkable advancements in the design and manufacturing of spark plugs, enhancing their efficiency and performance.
Latest Patents
Among his latest innovations, Hayashi has developed a ground electrode for spark plugs. This ground electrode features a body that faces the center electrode, incorporating a discharge portion designed to create a spark gap. The discharge portion is crafted from a platinum-based alloy, which includes platinum, rhodium, and nickel. The specific composition of this alloy is crucial, with rhodium content ranging from 2 wt % to 20 wt % and nickel content between 2.5 wt % and 12 wt %. Additionally, he has patented a method for manufacturing spark plugs that prevents the peripheral edge of the proximal end surface of the sealing distal-end layer from rising significantly toward the proximal end. This method involves filling the shaft hole of an insulator with various conductive materials, ensuring optimal performance.
Career Highlights
Hayashi is currently employed at Denso Corporation, a leading company in the automotive industry. His work at Denso has allowed him to focus on innovative solutions that address the challenges faced in spark plug technology. His dedication to research and development has positioned him as a key figure in this field.
Collaborations
Throughout his career, Hayashi has collaborated with notable colleagues, including Satoru Nakayama and Makoto Toriyama. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Naoto Hayashi's contributions to spark plug technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of materials and manufacturing processes, making him a valuable asset to Denso Corporation and the automotive industry as a whole.