Direct injection internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7404389
APP PUB NO 20050081820A1
SERIAL NO

10928711

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Abstract

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A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The electrode is positioned within the relatively leaner region.

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Patent Owner(s)

  • YAMAHA HATSUDOKI KABUSHIKI KAISHA

International Classification(s)

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  • 2004 Application Filing Year
  • F02B Class
  • 713 Applications Filed
  • 257 Patents Issued To-Date
  • 36.05 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200420052006200720082009201020112012201320140255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Suzuki, Yuichi Iwata, JP 178 2033
Tanaka, Daijiro Iwata, JP 15 141

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  • 1 Citation Count
  • F02B Class
  • 6.20 % this patent is cited more than
  • 17 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges16150572073211101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 9091 - 1000102030405060708090100110120130140150160

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