Inventor

TSUTSUMI JUN

JP78 patents

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

TSUTSUMI JUN

TAIYO YUDEN KK

Duplexer

Acoustic wave resonator, filter, and duplexer

Filter and duplexer

Duplexer, filter and communication module

Duplexer, communication module, and communication device

Duplexer, module including a duplexer and communication apparatus

Acoustic wave device

Acoustic wave device

Duplexer having specified relationship of the minimum distances between signal pads and specific ground pads

Piezoelectric thin film resonator, filter, and multiplexer

Resonant circuit, filter circuit, and acoustic wave resonator

Acoustic wave device

Surface acoustic wave device and filter

Surface acoustic wave device and filter

Filter module and duplexer module

Acoustic wave device and method of fabricating the same

High frequency device, filter, duplexer, communication module, and communication apparatus

FUJITSU LTD

Branching filter having both saw ladder and dual mode filters, and electronic apparatus using the branching filter

Multi-mode surface acoustic wave filter device and duplexer

Duplexer having two surface acoustic wave filters on one substrate

Multimode surface acoustic wave filter with a coupling section not being a uniform metal film

Surface acoustic wave device with an angle α related to specific piezoelectric substrates

Surface acoustic wave element and duplexer having the same

Antenna duplexer and electronic device

Surface acoustic wave filter and duplexer including the same

Surface acoustic wave filter and surface acoustic wave duplexer having the same

Surface acoustic wave ladder filter having at least one resonator with electrode finger pairs in inverted orientation

Surface acoustic wave ladder filter using interdigital transducers not involving resonance

Surface acoustic wave filter having plural propagation paths and a coupler

Surface acoustic wave resonator with withdrawn electrodes and surface acoustic wave ladder filter using same

Surface acoustic wave filter

Packaged surface acoustic wave filter chips utilizing an on-chip relay terminal

Surface acoustic wave filter of multi-stage connection type

Surface acoustic wave reflecting device having reflectance similar to the hamming function

FUJITSU MEDIA DEVICES LTD

Piezoelectric thin-film resonator and filter using the same

Duplexer with filters including film bulk acoustic resonators

Piezoelectric thin-film resonator and filter

Surface acoustic wave device

Piezoelectric thin-film resonator and filter

HARA MOTOAKI

Duplexer

Filter, branching filter and communication apparatus

Filter and duplexer

Filter, duplexer, communication module, communication device

Filter, duplexer and communication module

INOUE SHOGO

Duplexer, filter and communication module

Filter, demultiplexer, and module including demultiplexer, communication apparatus

TSUTSUMI JUN

Duplexer and electronic device

INOUE KAZUNORI

Acoustic wave filter, communication module, and method for manufacturing the filter

FUJISTU MEDIA DEVICES LTD

Surface acoustic wave resonator and surface acoustic wave filter

IWAKI MASAFUMI

Filter circuit, duplexer and RF module