KF

Kunihiko Fukuyama

RC Rion Co.: 1 patents #4 of 8Top 50%
Overall (1982): #47,490 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361733 Hard-of-hearing aid appliance Yozo Marutake, Tatsuro Fukutome, Yasuo Inaba 1982-11-30