KK

Ken-ichi Kawasumi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,324,665 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4936940 Equipment for surface treatment Akio Funagoshi 1990-06-26
4842828 Apparatus for treating surface of object with ultraviolet rays and reaction gas Akio Inada 1989-06-27