Inventor
FURUKAWA KAZUNARI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA KAZUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
8 patentsUS5109422AApr 28, 1992
Acoustic apparatus
YAMAHA CORP59 citations95
US4953655ASep 4, 1990
Acoustic apparatus
YAMAHA CORP64 citations95
US5012890AMay 7, 1991
Acoustic apparatus
YAMAHA CORP110 citations93
US5173575ADec 22, 1992
Acoustic apparatus
YAMAHA CORP44 citations92
US5010977AApr 30, 1991
Acoustic apparatus with plural resonators having different resonance frequencies
YAMAHA CORP29 citations92
US5004066AApr 2, 1991
Acoustic apparatus
YAMAHA CORP39 citations92
US4997057AMar 5, 1991
Method and apparatus of expanding acoustic reproduction range
YAMAHA CORP20 citations81
US5014320AMay 7, 1991
Driving apparatus, and control information storage body and protection circuit therefor
YAMAHA CORP12 citations71