HO

Hifumi Ota

Canon: 1 patents #14,899 of 19,416Top 80%
📍 Fussa, JP: #227 of 352 inventorsTop 65%
Overall (All Time): #3,534,392 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6339642 Telephone apparatus with howling prevention function Shigeru Hiroki 2002-01-15