YM

Yoshimasa Matsui

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,056,295 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8807298 Disk brake and method of producing the same Keisuke Nanri, Junichi Nagasawa, Yuichi Kobayashi, Kiyotaka Nomura, Jun Takahashi 2014-08-19
7950504 Disk brake Keisuke Nanri, Tomoji Sato, Junichi Nagasawa 2011-05-31