Location History:
- Nishio, JA (1976 - 1977)
- Mishio, JA (1977)
- Okazaki, JP (1978 - 1987)
Company Filing History:
12 out of 3,252 
10 out of 1,838 
10 out of 1,600 
Years Active: 1976-1987
Title: **Shunzo Yamaguchi: A Pioneer in Automotive Innovations**
Introduction
Shunzo Yamaguchi, based in Okazaki, Japan, is an accomplished inventor with a remarkable portfolio of 26 patents to his name. His work primarily focuses on advancements in automotive technology, particularly in ignition systems. His innovative designs have significantly contributed to enhancing the performance and efficiency of internal combustion engines.
Latest Patents
Among Yamaguchi's notable inventions is a **spark plug** designed for improved radio noise suppression and enhanced durability. The innovative composition includes a sintered material containing specific weight percentages of titanium nitride, glass powders, and other substances, ensuring performance without elemental carbon. Another significant invention is an **ignition distributor** for internal combustion engines, which uses a unique combination of fixed and rotating electrodes made of advanced ceramic materials. This design effectively reduces noise currents associated with spark discharge, further refining engine performance.
Career Highlights
Yamaguchi's illustrious career includes pivotal roles at prestigious companies such as **Nippondenso Co., Ltd.** and **Toyota Motor Corporation**. His contributions in these organizations have driven significant technological advancements and improvements in automotive systems, making a lasting impact on the industry.
Collaborations
Throughout his career, Yamaguchi has worked alongside esteemed colleagues, including **Morihiro Atsumi** and **Toshihiko Igashira**. Their collaborations have fostered innovative solutions and propelled the development of cutting-edge automotive technologies.
Conclusion
Shunzo Yamaguchi's dedication to innovation and his plethora of patents underline his significant role in advancing automotive technology. His groundbreaking inventions, particularly in ignition systems, continue to influence modern engine design, reflecting his enduring legacy in the automotive industry.