Threaded connection for pipe
US-12320206-B2 · Jun 3, 2025 · US
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OKU Yousuke patents
OKU Yousuke is listed as an inventor on 40 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | OKU Yousuke |
| Total patents | 40 |
| First publication | Jan 13, 2015 |
| Latest publication | Jun 3, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Threaded connection for pipe
US-12276359-B2 · Apr 15, 2025 · US
Threaded connection for steel pipe
US-12018777-B2 · Jun 25, 2024 · US
Threaded connection for pipe
US-12007045-B2 · Jun 11, 2024 · US
Threaded connection for pipes
US-11933431-B2 · Mar 19, 2024 · US
Threaded connection
US-11828391-B2 · Nov 28, 2023 · US
Threaded connection for pipe
US-2023313620-A1 · Oct 5, 2023 · US
Threaded connection for steel pipe
US-11719365-B2 · Aug 8, 2023 · US
Threaded connection for steel pipe
US-2023146768-A1 · May 11, 2023 · US
Threaded connection for steel pipe
US-11629560-B2 · Apr 18, 2023 · US
Recent patents
Latest publications not already listed above.
Threaded connection for steel pipe
US-11624460-B2 · Apr 11, 2023 · US
Threaded connection for steel pipes
US-11608692-B2 · Mar 21, 2023 · US
Threaded connection for pipe
US-2022412486-A1 · Dec 29, 2022 · US
Threaded connection for steel pipe
US-11506311-B2 · Nov 22, 2022 · US
Threaded connection for pipe
US-2022333719-A1 · Oct 20, 2022 · US
Threaded joint for steel pipes
US-11415246-B2 · Aug 16, 2022 · US
Threaded connection for steel pipe
US-2022252188-A1 · Aug 11, 2022 · US
Threaded connection for steel pipe
US-11391097-B2 · Jul 19, 2022 · US
Threaded connection
US-2022163143-A1 · May 26, 2022 · US
Threaded connection for pipes
US-2022128178-A1 · Apr 28, 2022 · US
Threaded connection for steel pipe
US-11313181-B2 · Apr 26, 2022 · US
Threaded connection for steel pipe
US-2021341085-A1 · Nov 4, 2021 · US
Threaded connection for steel pipe
US-2021332917-A1 · Oct 28, 2021 · US
Threaded connection for steel pipe
US-11143337-B2 · Oct 12, 2021 · US
Threaded connection for steel pipe
US-2021246737-A1 · Aug 12, 2021 · US
Threaded Connection for Steel Pipes
US-2021156204-A1 · May 27, 2021 · US
Threaded connection
US-11015746-B2 · May 25, 2021 · US
Threaded joint for steel pipes
US-10883632-B2 · Jan 5, 2021 · US
Threaded joint for steel pipes
US-2020332929-A1 · Oct 22, 2020 · US
Threaded Connection for Steel Pipe
US-2020278056-A1 · Sep 3, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Vallourec Oil & Gas France | 40 |
| Nippon Steel Corp | 35 |
| Nippon Steel & Sumitomo Metal Corp | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16L15/04 | 27 |
| F16L15/06 | 26 |
| E21B17/042 | 24 |
| F16L15/004 | 18 |
| E21B17/0423 | 18 |