Inventor

ISHIZAKI TOSHIO

JP104 patents

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

ISHIZAKI TOSHIO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Dielectric filter with multiple resonators

Dielectric filter having inter-resonator coupling including both magnetic and electric coupling

Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same

Multilayer ceramic device including two ceramic layers with multilayer circuit patterns that can support semiconductor and saw chips

Multilayered ceramic RF device

Antenna switch module, all-in-one communication module, communication apparatus and method for manufacturing antenna switch module

Multilayer ceramic device

High frequency switch and mobile communication equipment

Balanced dielectric filter

Laminated dielectric antenna duplexer and a dielectric filter

Piezoelectric device and a package

Surface acoustic wave filter

Temperature compensated crystal oscillator

Method of direct bonding of crystals and crystal devices

Laminated notch filter and cellular phone using the same

Dual-band multilayer bandpass filter

Antenna diversity switching device with switching circuits between the receiver terminal and each antenna

High-frequency compound switch module and communication terminal using it

RF device and communication apparatus using the same

High frequency switch and radio communication apparatus with layered body for saw filter mounting

Surface acoustic wave filter and multistage surface acoustic wave filter

Surface acoustic wave filter and multistage filter with multiple inside busbar lead-out electrodes

Laminated dielectric resonator and dielectric filter

Laminated dielectric resonator and dielectric filter

Diplexer, and high-frequency switch and antenna duplexer using the same

Dielectric filter, antenna duplexer

High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment

Laminated electronic component, laminated duplexer and communication device

Laminated bandpass filter, high frequency radio device and laminated bandpass filter manufacturing method

Dielectric filter

Matching circuit chip, filter with matching circuit, duplexer and cellular phone

Multilayer filter having varied dielectric constant regions

Multilayer filter with electrode patterns connected on different side surfaces to side electrodes and input/output electrodes

Dielectric laminated filter

Antenna duplexer

Surface acoustic wave filter

Piezoelectric device and a package

Antenna switching apparatus for selectively connecting antenna to transmitter or receiver

Linear amplifier

Dielectric filter having inter-resonator coupling including both magnetic and electric coupling

Antenna device

Dielectric notch resonator and filter having preadjusted degree of coupling

3-frequency branching circuit, branching circuit and radio communication equipment

Balanced high-frequency device and balanced high-frequency circuit using the same

High frequency switch and high frequency radio communication apparatus

High-frequency device and communication apparatus

Antenna duplexer and communication apparatus

PANASONIC CORP

Alcohol detection system

Filter using piezoelectric resonator

(unassigned)

Laminated dielectric antenna duplexer and a dielectric filter