Pipe with rib and method for manufacturing pipe with rib
US-9713840-B2 · Jul 25, 2017 · US
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Nakajima Tetsuya patents
Nakajima Tetsuya holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Jul 23, 2015 |
| Latest publication | Jul 25, 2017 |
Filing trend
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Recent patents
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Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 3 |
| Mechanical Engineering | 2 |