Yokohama, Japan

Seijiro Kotooka

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 2002.


% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Tokyo, JP (2002)
  • Yokohama, JP (2002)

Company Filing History:


Years Active: 2002

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Seijiro Kotooka: Innovator in Fuel Injection Technology

Introduction

Seijiro Kotooka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of fuel injection technology, holding a total of 3 patents. His work focuses on improving fuel economy and exhaust-gas characteristics in automotive applications.

Latest Patents

One of his latest patents is an "Accumulator fuel-injection apparatus." This invention features a controller that opens a selector valve for injection rate switching between auxiliary and main injection. The selector valve controls high-pressure fuel supply from a high-pressure accumulator to a fuel passage downstream of a check valve. This design allows for a fuel pressure that is higher than the auxiliary injection pressure but lower than the main injection pressure, enhancing the initial stage of main injection. Another significant patent is the "Accumulator fuel injection system," which controls the injection rate based on the engine's operating state. This system includes a first accumulation chamber for high-pressure fuel, a first electromagnetic valve device, and a second electromagnetic valve device for managing fuel injection and return.

Career Highlights

Seijiro Kotooka is currently employed at Mitsubishi Jidosha Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His innovative work in fuel injection systems has positioned him as a key figure in the automotive engineering sector.

Collaborations

Throughout his career, Kotooka has collaborated with notable colleagues such as Keiki Tanabe and Susumu Kohketsu. Their combined expertise has contributed to advancements in fuel injection technology.

Conclusion

Seijiro Kotooka's contributions to fuel injection technology demonstrate his commitment to innovation in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…