Company Filing History:
1 out of 2,333 
1 out of 376 Years Active: 1993
Title: Shigeki Yokoyama: Innovator in Diesel Engine Technology
Introduction
Shigeki Yokoyama is a notable inventor based in Kumagaya, Japan. He has made significant contributions to the field of diesel engine technology, particularly with his innovative designs and patents. His work has had a lasting impact on the efficiency and functionality of diesel engines.
Latest Patents
Yokoyama holds a patent for a glow plug designed for diesel engines. This glow plug features a ceramic heater that is supported by a hollow holder, with one end cantilevered toward the outside. The ceramic heater consists of a U-shaped heating portion and a pair of leads that extend backward from both ends of the U-shaped heating portion. Both components are formed integrally from an electrically conductive ceramic material. The outer periphery of at least one of the leads is bonded and held in the holder via an insulating layer. The rear end of the other lead is connected by a metallic lead wire to an external connection terminal. The ceramic heater and other component members are bonded integrally using a bonding material that contains a reactive metal. This innovative design enhances the performance and reliability of diesel engines.
Career Highlights
Throughout his career, Shigeki Yokoyama has worked with prominent companies in the industry. He has been associated with Hitachi Metals, Ltd. and Jidosha Kiki Co., Ltd., where he contributed his expertise in engineering and innovation. His work in these companies has helped advance the technology used in diesel engines.
Collaborations
Yokoyama has collaborated with several talented individuals in his field. Notable coworkers include Seiji Okazaki and Makoto Imaizumi, who have worked alongside him on various projects and innovations.
Conclusion
Shigeki Yokoyama is a distinguished inventor whose contributions to diesel engine technology have made a significant impact. His innovative designs and patents continue to influence the industry, showcasing his dedication to engineering excellence.