Inventor
OKU Yousuke
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OKU Yousuke”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
16 patentsUS11415246B2Aug 16, 2022
Threaded joint for steel pipes
NIPPON STEEL CORP2 citations71
US11313181B2Apr 26, 2022
Threaded connection for steel pipe
NIPPON STEEL CORP3 citations71
US12276359B2Apr 15, 2025
Threaded connection for pipe
NIPPON STEEL CORP1 citations62
US11933431B2Mar 19, 2024
Threaded connection for pipes
NIPPON STEEL CORP0 citations62
US12007045B2Jun 11, 2024
Threaded connection for pipe
NIPPON STEEL CORP1 citations61
US11015746B2May 25, 2021
Threaded connection
NIPPON STEEL CORP1 citations61
US11719365B2Aug 8, 2023
Threaded connection for steel pipe
NIPPON STEEL CORP1 citations59
US11391097B2Jul 19, 2022
Threaded connection for steel pipe
NIPPON STEEL CORP0 citations59
US12018777B2Jun 25, 2024
Threaded connection for steel pipe
NIPPON STEEL CORP1 citations56
US11828391B2Nov 28, 2023
Threaded connection
NIPPON STEEL CORP0 citations51
US11629560B2Apr 18, 2023
Threaded connection for steel pipe
NIPPON STEEL CORP0 citations51
US11608692B2Mar 21, 2023
Threaded connection for steel pipes
NIPPON STEEL CORP0 citations51
US11143337B2Oct 12, 2021
Threaded connection for steel pipe
NIPPON STEEL CORP0 citations51
US12320206B2Jun 3, 2025
Threaded connection for pipe
NIPPON STEEL CORP0 citations50
US11624460B2Apr 11, 2023
Threaded connection for steel pipe
NIPPON STEEL CORP0 citations50
US11506311B2Nov 22, 2022
Threaded connection for steel pipe
NIPPON STEEL CORP0 citations48