HH

Hajime Hiramatsu

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #108,553 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4834550 Apparatus for testing heat-insulating tubular member Mitsuru Yano, Hiroshi Takaki 1989-05-30