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"Steel For Surface Hardening For Machine Structural Use, And Component For Machine Structural Use"
Abstract: The present invention is steel for surface hardening for machine structural use which contains, by mass%, C: 0.3 to 0.6%, Si: 0.02 to 2.0%, Mn: 0.35 to less than 1.5%, and Al: 0.01 to 0.5%, is restricted to B: less than 0.0003%, S: 0.0001 to 0.021%, N: 0.003 to 0.0055%, P: 0.0001 to 0.03%, and 0: 0.0001 to 0.0050%, has a ratio Mn/S of Mn and S satisfying 70 to 30,000, has a balance of Fe and unavoidable impurities, and, when nitrided, then induction hardened, has a surface hardenability of a Vicker"s hardness when tempered at 300°C of 650 or more.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
05 July 2011
Publication Number
18/2012
Publication Type
INA
Invention Field
METALLURGY
Status
Email
remfry-sagar@remfry.com
Parent Application
Patent Number
Legal Status
Grant Date
2017-08-04
Renewal Date
Applicants
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Inventors
1. ATSUSHI MIZUNO
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
2. MASAYUKI HASHIMURA
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
3. KEI MIYANISHI
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
4. SHUJI KOZAWA
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Specification
NA
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 5149-delnp-2011-Form-3-(20-01-2012).pdf | 2012-01-20 |
| 1 | 5149-DELNP-2011-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 2 | 5149-delnp-2011-Correspondence-Others-(20-01-2012).pdf | 2012-01-20 |
| 2 | 5149-DELNP-2011-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 3 | 5149-delnp-2011-GPA.pdf | 2012-03-02 |
| 3 | 286076-OTHERS-020719.pdf | 2019-07-17 |
| 4 | Office Communication- F-13 disposed-(09-07-2019).pdf | 2019-07-09 |
| 4 | 5149-delnp-2011-Form-5.pdf | 2012-03-02 |
| 5 | 5149-delnp-2011-Form-3.pdf | 2012-03-02 |
| 5 | 286076-Correspondence-020719.pdf | 2019-07-08 |
| 6 | 5149-delnp-2011-Form-2.pdf | 2012-03-02 |
| 6 | 286076-Power of Attorney-020719.pdf | 2019-07-08 |
| 7 | 5149-delnp-2011-Form-18.pdf | 2012-03-02 |
| 7 | 5149-DELNP-2011-FORM 13 [28-06-2019(online)].pdf | 2019-06-28 |
| 8 | 5149-DELNP-2011-RELEVANT DOCUMENTS [28-06-2019(online)].pdf | 2019-06-28 |
| 8 | 5149-delnp-2011-Form-1.pdf | 2012-03-02 |
| 9 | 5149-delnp-2011-Drawings.pdf | 2012-03-02 |
| 9 | 5149-DELNP-2011-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 10 | 5149-delnp-2011-Description (Complete).pdf | 2012-03-02 |
| 10 | 5149-DELNP-2011-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 11 | 5149-delnp-2011-Correspondence Others.pdf | 2012-03-02 |
| 11 | 5149-DELNP-2011-PatentCertificate04-08-2017.pdf | 2017-08-04 |
| 12 | 5149-delnp-2011-Claims.pdf | 2012-03-02 |
| 12 | 5149-DELNP-2011-PatentCertificateCoverLetter.pdf | 2017-08-04 |
| 13 | 5149-delnp-2011-Abstract.pdf | 2012-03-02 |
| 13 | 5149-DELNP-2011-Correspondence-120617.pdf | 2017-06-14 |
| 14 | 5149-delnp-2011-GPA-(04-07-2013).pdf | 2013-07-04 |
| 14 | 5149-DELNP-2011-OTHERS-120617.pdf | 2017-06-14 |
| 15 | 5149-delnp-2011-Form-2-(04-07-2013).pdf | 2013-07-04 |
| 15 | 5149-DELNP-2011-Power of Attorney-120617.pdf | 2017-06-14 |
| 16 | 5149-delnp-2011-Form-1-(04-07-2013).pdf | 2013-07-04 |
| 16 | Abstract [09-06-2017(online)].pdf | 2017-06-09 |
| 17 | Claims [09-06-2017(online)].pdf | 2017-06-09 |
| 17 | 5149-delnp-2011-Correspondence-Others-(04-07-2013).pdf | 2013-07-04 |
| 18 | 5149-delnp-2011-Form-3-(17-09-2013).pdf | 2013-09-17 |
| 18 | Correspondence [09-06-2017(online)].pdf | 2017-06-09 |
| 19 | 5149-delnp-2011-Correspondence Others-(17-09-2013).pdf | 2013-09-17 |
| 19 | Description(Complete) [09-06-2017(online)].pdf | 2017-06-09 |
| 20 | 5149-delnp-2011-Form-3-(15-04-2014).pdf | 2014-04-15 |
| 20 | Description(Complete) [09-06-2017(online)].pdf_426.pdf | 2017-06-09 |
| 21 | 5149-delnp-2011-Correspondence-Others-(15-04-2014).pdf | 2014-04-15 |
| 21 | Drawing [09-06-2017(online)].pdf | 2017-06-09 |
| 22 | 5149-delnp-2011-Form-3-(29-08-2014).pdf | 2014-08-29 |
| 22 | Examination Report Reply Recieved [09-06-2017(online)].pdf | 2017-06-09 |
| 23 | 5149-delnp-2011-Correspondence-Others-(29-08-2014).pdf | 2014-08-29 |
| 23 | Form 3 [09-06-2017(online)].pdf | 2017-06-09 |
| 24 | Other Document [09-06-2017(online)].pdf | 2017-06-09 |
| 24 | 5149-delnp-2011-Form-3-(10-03-2015).pdf | 2015-03-10 |
| 25 | 5149-delnp-2011-Correspondence Others-(10-03-2015).pdf | 2015-03-10 |
| 25 | Petition Under Rule 137 [09-06-2017(online)].pdf | 2017-06-09 |
| 26 | 5149-DELNP-2011-FER.pdf | 2016-12-20 |
| 26 | Form 3 [03-02-2017(online)].pdf | 2017-02-03 |
| 27 | 5149-DELNP-2011-FER.pdf | 2016-12-20 |
| 27 | Form 3 [03-02-2017(online)].pdf | 2017-02-03 |
| 28 | 5149-delnp-2011-Correspondence Others-(10-03-2015).pdf | 2015-03-10 |
| 28 | Petition Under Rule 137 [09-06-2017(online)].pdf | 2017-06-09 |
| 29 | 5149-delnp-2011-Form-3-(10-03-2015).pdf | 2015-03-10 |
| 29 | Other Document [09-06-2017(online)].pdf | 2017-06-09 |
| 30 | 5149-delnp-2011-Correspondence-Others-(29-08-2014).pdf | 2014-08-29 |
| 30 | Form 3 [09-06-2017(online)].pdf | 2017-06-09 |
| 31 | 5149-delnp-2011-Form-3-(29-08-2014).pdf | 2014-08-29 |
| 31 | Examination Report Reply Recieved [09-06-2017(online)].pdf | 2017-06-09 |
| 32 | 5149-delnp-2011-Correspondence-Others-(15-04-2014).pdf | 2014-04-15 |
| 32 | Drawing [09-06-2017(online)].pdf | 2017-06-09 |
| 33 | 5149-delnp-2011-Form-3-(15-04-2014).pdf | 2014-04-15 |
| 33 | Description(Complete) [09-06-2017(online)].pdf_426.pdf | 2017-06-09 |
| 34 | 5149-delnp-2011-Correspondence Others-(17-09-2013).pdf | 2013-09-17 |
| 34 | Description(Complete) [09-06-2017(online)].pdf | 2017-06-09 |
| 35 | 5149-delnp-2011-Form-3-(17-09-2013).pdf | 2013-09-17 |
| 35 | Correspondence [09-06-2017(online)].pdf | 2017-06-09 |
| 36 | Claims [09-06-2017(online)].pdf | 2017-06-09 |
| 36 | 5149-delnp-2011-Correspondence-Others-(04-07-2013).pdf | 2013-07-04 |
| 37 | 5149-delnp-2011-Form-1-(04-07-2013).pdf | 2013-07-04 |
| 37 | Abstract [09-06-2017(online)].pdf | 2017-06-09 |
| 38 | 5149-delnp-2011-Form-2-(04-07-2013).pdf | 2013-07-04 |
| 38 | 5149-DELNP-2011-Power of Attorney-120617.pdf | 2017-06-14 |
| 39 | 5149-delnp-2011-GPA-(04-07-2013).pdf | 2013-07-04 |
| 39 | 5149-DELNP-2011-OTHERS-120617.pdf | 2017-06-14 |
| 40 | 5149-delnp-2011-Abstract.pdf | 2012-03-02 |
| 40 | 5149-DELNP-2011-Correspondence-120617.pdf | 2017-06-14 |
| 41 | 5149-delnp-2011-Claims.pdf | 2012-03-02 |
| 41 | 5149-DELNP-2011-PatentCertificateCoverLetter.pdf | 2017-08-04 |
| 42 | 5149-delnp-2011-Correspondence Others.pdf | 2012-03-02 |
| 42 | 5149-DELNP-2011-PatentCertificate04-08-2017.pdf | 2017-08-04 |
| 43 | 5149-delnp-2011-Description (Complete).pdf | 2012-03-02 |
| 43 | 5149-DELNP-2011-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 44 | 5149-delnp-2011-Drawings.pdf | 2012-03-02 |
| 44 | 5149-DELNP-2011-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 45 | 5149-delnp-2011-Form-1.pdf | 2012-03-02 |
| 45 | 5149-DELNP-2011-RELEVANT DOCUMENTS [28-06-2019(online)].pdf | 2019-06-28 |
| 46 | 5149-delnp-2011-Form-18.pdf | 2012-03-02 |
| 46 | 5149-DELNP-2011-FORM 13 [28-06-2019(online)].pdf | 2019-06-28 |
| 47 | 5149-delnp-2011-Form-2.pdf | 2012-03-02 |
| 47 | 286076-Power of Attorney-020719.pdf | 2019-07-08 |
| 48 | 5149-delnp-2011-Form-3.pdf | 2012-03-02 |
| 48 | 286076-Correspondence-020719.pdf | 2019-07-08 |
| 49 | Office Communication- F-13 disposed-(09-07-2019).pdf | 2019-07-09 |
| 49 | 5149-delnp-2011-Form-5.pdf | 2012-03-02 |
| 50 | 5149-delnp-2011-GPA.pdf | 2012-03-02 |
| 50 | 286076-OTHERS-020719.pdf | 2019-07-17 |
| 51 | 5149-delnp-2011-Correspondence-Others-(20-01-2012).pdf | 2012-01-20 |
| 51 | 5149-DELNP-2011-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 52 | 5149-delnp-2011-Form-3-(20-01-2012).pdf | 2012-01-20 |
| 52 | 5149-DELNP-2011-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
Search Strategy
| 1 | 5149-DELNP-2011_13-12-2016.pdf |