KO

Ken Ou

NC Nhk Spring Co.: 1 patents #29 of 93Top 35%
NS Nippon Steel: 1 patents #103 of 316Top 35%
Overall (2025): #317,943 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12365958 Electric resistance-welded steel tube for hollow stabilizer, hollow stabilizer, and manufacturing methods of same Yukinobu Nagata, Yuki Motegi, Yuji Araoka 2025-07-22