KO

Ken Ou

NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #1,726,684 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 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
7855399 Protection device of programmable semiconductor surge suppressor having deep-well structure Walance Sun, Shouming Zhang, Man Oi Cleo Ng 2010-12-21