Inventor
Haruo Nakamichi
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals25%
C22CAlloys25%
B23KSoldering or unsoldering13%
B05DProcesses for applying fluent materials to surfaces, in general6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
C23CCoating metallic material6%
F16LPipes6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,975,450Low alloy high strength thick-walled seamless steel pipe for oil country tubular goods202110,465,261Steel material for highly deformable line pipes having superior strain aging resistance and superior HIC resistance, method for manufacturing same, and welded steel pipe201910,344,362Steel material for highly deformable line pipes having superior strain aging resistance and superior HIC resistance, method for manufacturing same, and welded steel pipe20199,234,254'High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the same'20167,291,402'Surface-treated steel sheets of good white rust resistance, and method for producing them'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2021Patents assigned to JFE STEEL CORP (5)· patent assignee history
2007Patents assigned to KANSAI PAINT CO LTD (1)· patent assignee history
2007–2021Based in Tokyo, JP· patent location history
2016Patents assigned to EGUCHI KENICHIRO (1)· patent assignee history
2016Patents assigned to ISHIGURO YASUHIDE (1)· patent assignee history
2016Patents assigned to KIMURA MITSUO (1)· patent assignee history
2016Based in Okayama, JP· patent location history
2019Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 5 | 2007–2021 |
| EGUCHI KENICHIRO | 1 | 2016 |
| ISHIGURO YASUHIDE | 1 | 2016 |
| KANSAI PAINT CO LTD | 1 | 2007 |
| KIMURA MITSUO | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 2007–2021 |
| Kawasaki, JP | 2 | 2019 |
| Okayama, JP | 1 | 2016 |