NN

Norio Nitta

HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,291,608 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D343345 Portable electric hammer Yasunori Ogawa, Kazuhiro Segawa 1994-01-18
D335619 Portable electric hammer Yasunori Ogawa, Mutsuo Harada 1993-05-18