Inventor

USHIDA SUSUMU

JP8 patents

⚠️ This page may combine multiple inventors who share the name “USHIDA SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

7 patents

US5329189AJul 12, 1994

Mixer circuit

ALPS ELECTRIC CO LTD32 citations92

US4611882ASep 16, 1986

High-frequency circuit device with an annular capacitor on the back of an insulated substrate

ALPS ELECTRIC CO LTD32 citations90

US5115317AMay 19, 1992

Tuning apparatus for a television receiver including selectively activated amplifier and local oscillator circuits

ALPS ELECTRIC CO LTD12 citations73

US5057788AOct 15, 1991

BURROUGHS CORP

1 patent

US4254378AMar 3, 1981

Modified Foster-Seeley frequency discriminator

BURROUGHS CORP1 citations50

USHIDA SUSUMU

ALPS ELECTRIC CO LTD

Mixer circuit

High-frequency circuit device with an annular capacitor on the back of an insulated substrate

Tuning apparatus for a television receiver including selectively activated amplifier and local oscillator circuits

2-stage differential amplifier connected in cascade

Amplifier for use with local oscillators

Buffer amplifier circuit used in wideband tuner

Output coupling circuit for LC local oscillator

BURROUGHS CORP

Modified Foster-Seeley frequency discriminator