Inventor
OTA FUMIO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OTA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMITOMO METAL CORP
4 patentsUS10883632B2Jan 5, 2021
Threaded joint for steel pipes
NIPPON STEEL & SUMITOMO METAL CORP3 citations72
US10473241B2Nov 12, 2019
Threaded joint for steel pipes
NIPPON STEEL & SUMITOMO METAL CORP2 citations71
US10774598B2Sep 15, 2020
Threaded joint for steel pipes
NIPPON STEEL & SUMITOMO METAL CORP1 citations60
US10774958B2Sep 15, 2020
Threaded joint for steel pipe
NIPPON STEEL & SUMITOMO METAL CORP0 citations40