Liquid jet head, liquid jet apparatus, and method of manufacturing the liquid jet head
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jul 26, 2012
app pub date -
Jan 19, 2012
filing date -
Jan 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To prevent ejection failure which occurs because openings of nozzles are clogged with fine burrs generated at a parting line (P) of a flow path member (2) formed by molding, provided is a liquid jet head (1) including the flow path member (2) and an actuator portion (3). The flow path member (2) includes a first member (4) and a second member (5) bonded thereto. A flow path (8) and a discharge port (12) communicated to the flow path (8) are formed between the first member (4) and the second member (5). The first and second members (4, 5) each include a parting line formed by molding on a surface thereof. The parting line is not positioned on an inner surface forming the flow path (8), and is positioned on the surface of the first member (4) or the second member (5) other than the inner surface.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SII PRINTEK INC | CHIBA COUNTY CHIBA JAPAN CHIBA-SHI CHIBA |
International Classification(s)

- 2012 Application Filing Year
- B29C Class
- 3499 Applications Filed
- 2678 Patents Issued To-Date
- 76.54 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hagiwara, Tomoharu | Chiba-shi, JP | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Murase, Tetsuya | Chiba-shi, JP | 13 | 38 |
# of filed Patents : 13 Total Citations : 38 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B29C Class
- 0 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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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