Masahiro Shigenaga

Title: Inventor Spotlight: Masahiro Shigenaga

Introduction

Masahiro Shigenaga is a prominent inventor located in Nishio, Japan, recognized for his significant contributions to the field of internal combustion engine technology. With a remarkable total of three patents to his name, Shigenaga has developed innovative solutions that enhance engine performance and efficiency.

Latest Patents

Shigenaga's latest patents include:

1. **Spark Plug for Internal Combustion Engine** - This invention features a spark plug that comprises multiple components such as a housing, an insulator, a center electrode, a ground electrode, and a plug cover. The design incorporates an auxiliary combustion chamber to optimize the discharge gap and improve engine efficiency. The innovative features also include a spray hole that allows communication between the inside and outside of the plug cover, further boosting performance.

2. **Controller for Internal Combustion Engine** - This invention is designed to control valve timing in an internal combustion engine when operating in a self-ignited combustion region. Shigenaga's controller effectively establishes a negative valve overlap period for enhanced fuel reforming and better output control. The system is capable of detecting fuel reform degree and adjusting fuel injection quantities to stabilize combustion conditions.

Career Highlights

Throughout his career, Masahiro Shigenaga has been associated with leading companies such as Denso Corporation and Nippon Soken, Inc. His work at these organizations has been instrumental in advancing automotive technologies and has established him as a key player in the automotive engineering sector.

Collaborations

Shigenaga has collaborated with notable coworkers, including Kimitaka Saitoh and Masatoshi Basaki. Their combined expertise and innovative ideas have played a significant role in the development of Shigenaga's inventions and patents.

Conclusion

Masahiro Shigenaga’s contributions to internal combustion engine technology illustrate his commitment to innovation and improvement in automotive engineering. His patents reflect not only his technical expertise but also his dedication to enhancing vehicle performance and efficiency. As the automotive industry continues to evolve, inventors like Shigenaga will remain at the forefront of technological advancements.