Inventor
KOINUMA HIROSHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “KOINUMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
5 patentsUS4431972AFeb 14, 1984
Push-pull amplifier
PIONEER ELECTRONIC CORP28 citations92
US5379454AJan 3, 1995
Station selection device in tuner for automatic selection according to input information
PIONEER ELECTRONIC CORP18 citations78
US5023938AJun 11, 1991
Station selecting device in tuner for automatic selection according to input information
PIONEER ELECTRONIC CORP12 citations70
US5301355AApr 5, 1994
Modulated signal transmitting apparatus
PIONEER ELECTRONIC CORP6 citations61
US5123051AJun 16, 1992
Sound field reproducing apparatus
PIONEER ELECTRONIC CORP5 citations60