TN

Takashi Naganawa

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
📍 Ibaraki, JP: #260 of 6,779 inventorsTop 4%
Overall (All Time): #155,649 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4730474 Method of relieving residual stress in metal pipe Shota Iwakura, Yuuji Yoshitomi, Toshio Saitoh, Tatsuo Seki 1988-03-15