Inventor

KATABUCHI KEISUKE

JP5 patents

Patents

5 patents

US9543632B2Jan 10, 2017

Directional coupler

MURATA MANUFACTURING CO9 citations80

US9722567B2Aug 1, 2017

Variable-frequency resonance circuit and variable-frequency filter

MURATA MANUFACTURING CO3 citations69

US9444127B2Sep 13, 2016

Directional coupler

MURATA MANUFACTURING CO2 citations59

US9843085B2Dec 12, 2017

Directional coupler

MURATA MANUFACTURING CO0 citations48

US9685688B2Jun 20, 2017

Directional coupler

MURATA MANUFACTURING CO1 citations48