YI

Yoshihiko Ina

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
Overall (2003): #87,168 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6599641 Structural body formed by friction stir welding of hollow extruded frame members Hideyuki Nakamura, Takeshi Kawasaki, Toshiaki Makino 2003-07-29