Piercing machine, and method for producing seamless metal pipe using the same
US-11511326-B2 · Nov 29, 2022 · US
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Obe Haruka patents
Obe Haruka is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Obe Haruka |
| Total patents | 6 |
| First publication | Sep 3, 2020 |
| Latest publication | Nov 29, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Production method of seamless steel pipe
US-11471923-B2 · Oct 18, 2022 · US
Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same
US-11344935-B2 · May 31, 2022 · US
Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same
US-2021178442-A1 · Jun 17, 2021 · US
Production method of seamless steel pipe
US-2020384514-A1 · Dec 10, 2020 · US
Piercing machine, and method for producing seamless metal pipe using the same
US-2020276625-A1 · Sep 3, 2020 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Steel Corp | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B21B19/04 | 6 |
| C21D8/10 | 4 |
| C21D1/667 | 4 |
| B21B2045/0227 | 4 |
| C21D9/085 | 4 |