Ryuichi Ohno

Title: Ryuichi Ohno: Innovator in Spark Plug Technology

Introduction

Ryuichi Ohno is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of spark plug technology, holding 2 patents that showcase his innovative approach to manufacturing and design.

Latest Patents

One of his latest patents is a method for manufacturing a spark plug. This method involves at least one of the center electrode and the ground electrode, which includes an electrode base material and a columnar noble metal tip welded to the electrode base material. The process includes a laser welding step that applies a pulse oscillation laser to form multiple unit fusion portions on the boundary between the electrode base material and the noble metal tip. This innovative technique allows for precise welding, enhancing the durability and performance of the spark plug.

Another patent focuses on the spark plug itself, which features a center electrode with an electrode base member and a core material predominantly containing copper. A noble metal tip is positioned at the forward end of the center electrode, with a fusion portion formed between the noble metal tip, the electrode base member, and the core material. This design ensures optimal contact and performance, making it a significant advancement in spark plug technology.

Career Highlights

Ryuichi Ohno is currently associated with NGK Spark Plug Company, Limited, where he continues to develop and refine spark plug technologies. His work has been instrumental in improving the efficiency and reliability of spark plugs used in various applications.

Collaborations

Throughout his career, Ryuichi has collaborated with talented individuals such as Tomoyuki Igarashi and Tatsunori Yamada. These collaborations have fostered innovation and contributed to the advancements in spark plug technology.

Conclusion

Ryuichi Ohno's contributions to spark plug technology through his patents and work at NGK Spark Plug Company, Limited highlight his role as a key innovator in the field. His advancements continue to influence the industry and improve the performance of spark plugs worldwide.