Hiroaki Kuki

Title: Hiroaki Kuki: Innovator in Spark Plug Technology

Introduction

Hiroaki Kuki is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of spark plug technology, holding a total of 11 patents. His innovative designs focus on improving the performance and reliability of spark plugs.

Latest Patents

Among his latest patents, Kuki has developed a spark plug designed for voltage resistance and suppression of side sparking and oxidation. This spark plug features an insulator and a center electrode, with a unique structure that includes a first cylindrical portion, a truncated cone-shaped portion, and a second cylindrical portion. The design ensures that the diameter of the center electrode does not exceed 2.2 mm, while maintaining a specific relationship between the volumes of the components to enhance performance.

Another notable patent is for a spark plug that reduces the metal shell to improve fouling resistance. This design incorporates an insulator and a metal shell with a thread diameter of M12. The insulator is held in place by a plate packing, and the design allows for a clearance between the leg portion and the inner surface of the metal shell. This innovative approach addresses fouling issues effectively.

Career Highlights

Hiroaki Kuki is currently employed at NGK Spark Plug Company, Limited, where he continues to innovate in spark plug technology. His work has significantly impacted the automotive industry, enhancing engine performance and efficiency.

Collaborations

Kuki collaborates with talented coworkers, including Yuichi Yamada and Yoshihiro Matsubara. Together, they contribute to the advancement of spark plug technology and its applications.

Conclusion

Hiroaki Kuki's contributions to spark plug technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving automotive performance.