KA

Keiji Ahiko

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
📍 Tsuchiura, JP: #203 of 519 inventorsTop 40%
Overall (All Time): #1,504,625 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D752651 Excavator Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Osamu Kokuryou, Junya Kawamoto +1 more 2016-03-29
D752112 Excavator Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Hiroshi Tabeta, Junya Kawamoto +1 more 2016-03-22
D752113 Excavator Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Hiroshi Tabeta, Junya Kawamoto +1 more 2016-03-22