Inventor
Yousuke OKU
Inventor
JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling45%
F16LPipes45%
C23CCoating metallic material3%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
12,320,206Threaded connection for pipe202512,276,359Threaded connection for pipe202512,018,777Threaded connection for steel pipe202412,007,045Threaded connection for pipe202411,933,431Threaded connection for pipes202411,828,391Threaded connection202311,719,365Threaded connection for steel pipe202311,629,560Threaded connection for steel pipe202311,624,460Threaded connection for steel pipe202311,608,692Threaded connection for steel pipes202311,506,311Threaded connection for steel pipe202211,415,246Threaded joint for steel pipes202211,391,097Threaded connection for steel pipe202211,313,181Threaded connection for steel pipe202211,143,337Threaded connection for steel pipe2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to NIPPON STEEL CORP (15)· patent assignee history
2021–2025Patents assigned to VALLOUREC OIL & GAS FRANCE (15)· patent assignee history
2021–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 15 | 2021–2025 |
| VALLOUREC OIL & GAS FRANCE | 15 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 15 | 2021–2025 |