Location History:
- Yokohama, JA (1976 - 1978)
- Yokohama, JP (1978 - 1982)
Company Filing History:
Years Active: 1976-1982
Title: The Innovations of Shin-ichi Nagumo
Introduction
Shin-ichi Nagumo is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 11 patents. His work focuses on improving engine efficiency and reducing harmful emissions, showcasing his commitment to innovation in automotive technology.
Latest Patents
One of his latest patents is a spark-ignition internal combustion engine capable of preventing noxious emissions. This engine features two spark plugs in each combustion chamber, which ignite a stoichiometric air-fuel mixture mixed with a large proportion of inert gases to lower NOx emission levels. Additionally, the engine is equipped with hydraulic valve lifters that are mechanically connected to the intake and exhaust valves. This design allows for increased valve overlap during normal driving operations, effectively reducing the discharge of exhaust gases containing high levels of hydrocarbons. Another notable patent is for an internal combustion engine equipped with an improved air injection system. This system includes an air gallery connected to an air pump, which communicates with the exhaust port of the engine through a bore. An air injection nozzle is securely inserted within this bore, enhancing the engine's performance and emissions control.
Career Highlights
Shin-ichi Nagumo works at Nissan Motor Company Limited, where he continues to develop innovative solutions for modern automotive challenges. His expertise in engine design and emissions reduction has positioned him as a key figure in the automotive industry.
Collaborations
Throughout his career, Nagumo has collaborated with notable colleagues, including Yoshimasa Hayashi and Yasuo Nakajima. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Shin-ichi Nagumo's contributions to the field of internal combustion engines exemplify his dedication to innovation and environmental sustainability. His patents reflect a deep understanding of engineering principles and a commitment to reducing emissions in the automotive sector.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.