This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Metals, Ltd., Jidosha Kiki Co., Ltd.. Active years: 1990.
Company Filing History:
1 out of 2,333 
1 out of 376 Years Active: 1990
Title: Kouji Hatanaka - Innovator in Diesel Engine Technology
Introduction
Kouji Hatanaka is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of diesel engine technology, particularly with his innovative designs for glow plugs. His work has been recognized for its technical advancements and practical applications in the automotive industry.
Latest Patents
Hatanaka holds a patent for a glow plug designed for diesel engines. This glow plug features a ceramic heater that is cantilevered by the tip of a hollow holder. The ceramic heater consists of a U-shaped heating portion and a pair of leads made from an electrically conductive sintered sialon. This material is created by adding a small amount of Al2O3 to a raw meal containing Si3N4 as the main ingredient, along with a small amount of AlN polytype and a maximum of 5 wt. % of Y2O3. The design also incorporates an insulating layer on the leads, ensuring effective performance and durability.
Career Highlights
Throughout his career, Kouji Hatanaka has worked with prominent companies such as Hitachi Metals, Ltd. and Jidosha Kiki Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the automotive sector.
Collaborations
Hatanaka has collaborated with notable colleagues, including Yasunobu Ogata and Koichiro Kurihara. These partnerships have fostered a creative environment that has led to advancements in technology and engineering.
Conclusion
Kouji Hatanaka's contributions to diesel engine technology through his innovative glow plug design exemplify his expertise and dedication to the field. His work continues to influence the automotive industry, showcasing the importance of innovation in engineering.