DLC film coating and coated valve lifter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 23, 2017
Issued Date -
N/A
app pub date -
Mar 22, 2013
filing date -
Mar 22, 2013
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
The present invention provides a DLC (diamond like carbon) film coating and a coated valve lifter, wherein the DLC film coating can be formed at a film forming rate comparable with that achieved in the case of forming the DLC coating film by the CVD (chemical vapor deposition) method and has good durability comparable with that obtained in the case of forming the DLC film coating by the sputtering film forming method.
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 | |
---|---|---|
NITTAN CORPORATION | HADANO-SHI KANAGAWA 257-0031 |
International Classification(s)

- 2013 Application Filing Year
- C23C Class
- 2155 Applications Filed
- 1819 Patents Issued To-Date
- 84.41 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ishii, Shinichi | Kanagawa, JP | 29 | 258 |
# of filed Patents : 29 Total Citations : 258 | |||
Kubota, Yukio | Kanagawa, JP | 87 | 1895 |
# of filed Patents : 87 Total Citations : 1895 |
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Patent Citation Ranking
- 0 Citation Count
- C23C Class
- 0 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 23, 2024 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 23, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

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Aug 02, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Jul 16, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551) year of fee payment: 4 |
Feb 10, 2015 | I | Issuance | |
Jan 21, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 05, 2013 | P | Published | |
Aug 13, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MORAN, LYLE E.;GALE, MARY J.;BROWNIE, JOHN H.;SIGNING DATES FROM 20120614 TO 20120625;REEL/FRAME:028776/0113 Owner name: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, NEW J |
Jun 01, 2012 | F | Filing | |
Jun 01, 2012 | PD | Priority Date |

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