Inventor
SAKAI KOICHI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKO INC
8 patentsUS4320534AMar 16, 1982
Loudness control circuit
TOKO INC21 citations78
US4575643AMar 11, 1986
Full-wave rectifier circuit
TOKO INC16 citations74
US4394625AJul 19, 1983
Semiconductor integrated circuit device
TOKO INC14 citations74
US4375598AMar 1, 1983
Transistor circuit having two comparator levels
TOKO INC12 citations74
US4195203AMar 25, 1980
Noise cancelling system for FM receiver
TOKO INC12 citations71
US4517508AMay 14, 1985
Variable impedance circuit
TOKO INC4 citations63
US5678212AOct 14, 1997
Electronic tuning circuit for an AM receiver
TOKO INC3 citations60
US4546274AOct 8, 1985
Non-linear integration circuit
TOKO INC1 citations52
IMARFLEX MFG
8 patentsUSD300455SMar 28, 1989
Kerosene heater
IMARFLEX MFG7 citations74
USD300456SMar 28, 1989
Kerosene heater
IMARFLEX MFG4 citations63
USD288358SFeb 17, 1987
Stove
IMARFLEX MFG4 citations62
US4556045ADec 3, 1985
Reflection type kerosene stove
IMARFLEX MFG2 citations62
US4515557AMay 7, 1985
Kerosene combustion apparatus
IMARFLEX MFG2 citations62
USD300775SApr 18, 1989
Kerosene stove
IMARFLEX MFG0 citations52
USD300774SApr 18, 1989
Kerosene stove
IMARFLEX MFG1 citations52
USD288232SFeb 10, 1987
Stove
IMARFLEX MFG1 citations52
SONY CORP
4 patentsUS4096531AJun 20, 1978
Deflection yoke
SONY CORP12 citations73
US4122422AOct 24, 1978
Deflection device for use with in-line type color cathode ray tubes
SONY CORP16 citations70
US4041428AAug 9, 1977
Deflection yoke for use with in-line cathode ray tubes
SONY CORP14 citations68
US4604547AAug 5, 1986
Deflection system for a two electron beam cathode ray tube
SONY CORP5 citations63