This inventor holds 10 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 2003-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (2003 - 2005)
- Novi, MI (US) (2006)
Company Filing History:
Years Active: 2003-2006
Title: The Innovations of Takahisa Koseki
Introduction
Takahisa Koseki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 10 patents. His work focuses on enhancing engine efficiency and reducing emissions, which is crucial in today's automotive industry.
Latest Patents
One of Koseki's latest patents is an internal EGR parameter estimating device for internal combustion engines. This device estimates the internal EGR quantity based on the blow-by gas that occurs during the overlap period when both the intake and exhaust valves are open. The blow-by gas quantity is calculated using intake air pressure and exhaust gas pressure during this period, along with the effective cross-sectional area opening formed by the valves. The overlap period is divided into intervals, allowing for precise calculations of the interval cross-sectional area opening.
Another notable patent is an apparatus and method for controlling an engine. This innovation involves ending engine cranking control when the battery voltage for the starter drops to a specific judgment value. It also ensures that the start and stop of the starter driving can be distinguished based on battery voltage fluctuations. This method helps prevent fuel economy deterioration and excess exhaust gas emissions, particularly during engine friction increases.
Career Highlights
Koseki is currently employed at Nissan Motor Company Limited, where he continues to develop innovative solutions for automotive engineering. His expertise in internal combustion engines has positioned him as a key figure in the company's research and development efforts.
Collaborations
Throughout his career, Koseki has collaborated with notable colleagues, including Masahiko Yuya and Takashi Nakazawa. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the automotive sector.
Conclusion
Takahisa Koseki's contributions to the field of internal combustion engines are significant and impactful. His innovative patents reflect a commitment to improving engine performance and reducing environmental impact. Koseki's work continues to influence the automotive industry, paving the way for a more sustainable future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile