Inventor
HARA YOSHIFUMI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “HARA YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS5031095AJul 9, 1991
Data transmission apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations90
US5119222AJun 2, 1992
Fault examining apparatus for loop-shaped data transmission system using optical fiber
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations59
US4941206AJul 10, 1990
Loop-type optical fiber transmission system having master and slave apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations55