YI

Yoshinori Ishizawa

HC Hitachi Koki Co.: 2 patents #3 of 67Top 5%
HI Hitachi: 1 patents #1,316 of 3,771Top 35%
📍 Ibaraki, JP: #41 of 742 inventorsTop 6%
Overall (2004): #17,696 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6783050 Nail gun provided with duster function Yoshihiro Nakano 2004-08-31
6779699 Pneumatically operated nail gun having cylinder floating prevention arrangement Masanori Aoki 2004-08-24
6745928 Trigger valve apparatus for pneumatic tool Masanori Aoki, Hiroki Kitagawa 2004-06-08