HY

Hitoshi Yasutomi

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
📍 Daito, JP: #179 of 468 inventorsTop 40%
Overall (All Time): #1,585,913 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7248430 Magnetic recording and reproduction apparatus Akio Konishi, Koichiro Hirabayashi, Hiroshi Kanchiku, Takefumi Yanagihara 2007-07-24
7180698 Magnetic recording and reproduction apparatus Koichiro Hirabayashi, Hiroshi Kanchiku 2007-02-20
6172840 Magnetic recording/reproduction apparatus including a rotary head cylinder and both vertical and inclined guides for winding a magnetic tape about the rotary head cylinder Akio Konishi, Koichiro Hirabayashi 2001-01-09