KK

Kazuyuki Kawana

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
MC Maruyama Mfg. Co.: 1 patents #17 of 40Top 45%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #1,831,044 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1009078 Internal combustion engine Nozomu Sasaki, Masayoshi Goto 2023-12-26
9010299 Engine tool Kouhei ODA 2015-04-21