Ignition device for internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 17, 2007
Grant Date -
Dec 29, 2005
app pub date -
May 18, 2005
filing date -
May 21, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ignition device for an internal combustion engine has a spark plug, an ignition coil, a housing and a mounting portion. The spark plug is for discharging a current to ignite an air-fuel mixture in a combustion chamber of the internal combustion engine. The ignition coil is for supplying the current to the spark plug. The housing encloses the spark plug and the ignition coil therein. The housing has a mounting portion to be disposed in a mounting hole provided in a cylinder head of the internal combustion engine. The mounting portion includes a screw portion a non-screw portion. The screw portion is to be screw-fastened to the mounting hole. The non-screw portion is not to be screw-fastened to the mounting hole.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DENSO CORPORATION | KARIYA-CITY AICHI 448-8661 |
International Classification(s)

- 2005 Application Filing Year
- F02P Class
- 126 Applications Filed
- 57 Patents Issued To-Date
- 45.24 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hiramatsu, Hiromi | Kariya, JP | 30 | 273 |
# of filed Patents : 30 Total Citations : 273 | |||
Iwami, Atsushi | Susono, JP | 11 | 45 |
# of filed Patents : 11 Total Citations : 45 | |||
Miwa, Tetsuya | Nagoya, JP | 85 | 418 |
# of filed Patents : 85 Total Citations : 418 | |||
Morita, Yoshiki | Kariya, JP | 8 | 30 |
# of filed Patents : 8 Total Citations : 30 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- F02P Class
- 2.80 % this patent is cited more than
- 18 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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