Inventor

YAMAHAI KEIJI

JP4 patents

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

PANASONIC IP MAN CO LTD

2 patents

US9953499B2Apr 24, 2018

Alarm notifying system

PANASONIC IP MAN CO LTD0 citations48

US9652961B2May 16, 2017

Alarm notifying system

PANASONIC IP MAN CO LTD0 citations48

KAWASAKI YUJI

1 patent

US9508240B2Nov 29, 2016

Sound receiving apparatus, sound receiving method, sound receiving system, and wireless microphone

KAWASAKI YUJI0 citations47

KITAGO RYOSUKE

1 patent

US9031258B2May 12, 2015

Acoustic feedback suppression apparatus, microphone apparatus, amplifier apparatus, sound amplification system, and acoustic feedback suppression method

KITAGO RYOSUKE1 citations42