AY

Akihisa Yahagi

HC Hitachi Koki Co.: 1 patents #24 of 85Top 30%
📍 Hitachinaka, JP: #108 of 281 inventorsTop 40%
Overall (2002): #259,314 of 266,432Top 100%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6497418 Tool-bit holding device in percussion tool — 2002-12-24