TT

Tsuyoshi Takeyama

HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
📍 Ryugasaki, JP: #51 of 114 inventorsTop 45%
Overall (All Time): #2,073,749 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8567186 Control apparatus for working vehicle Koji Hyodo, Nobuyuki Hidaka, Masaki Yoshikawa, Kazuo Chonan, Yasuo Yamazaki 2013-10-29
8468818 HST cooling circuit Koji Hyodo, Kazuo Ishida, Tadayoshi Aoki, Takehiko Katsuragi, Shoroku Kawahara 2013-06-25