Inventor
DAIDO TAKEFUMI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “DAIDO TAKEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
6 patentsUSD325578SApr 21, 1992
Transmitter for a headphone
SONY CORP67 citations95
USD318864SAug 6, 1991
Earphone
SONY CORP51 citations94
USD311007SOct 2, 1990
Earphone
SONY CORP81 citations94
USD310081SAug 21, 1990
Headphone
SONY CORP61 citations93
USD319241SAug 20, 1991
Headphone
SONY CORP36 citations92
USD333917SMar 16, 1993
Earphone case
SONY CORP44 citations91