KH

Keiji Hasumi

HI Hitachi: 1 patents #856 of 3,149Top 30%
HC Hitachi Tokyo Electronics Co.: 1 patents #1 of 3Top 35%
📍 Iruma, JP: #9 of 37 inventorsTop 25%
Overall (1994): #106,477 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5304797 Gas analyzer for determining impurity concentration of highly-purified gas Takashi Irie, Yasuhiro Mitsui 1994-04-19