P

Inventor

YAMAGUCHI YUKIMASA

JP6 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI YUKIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

3 patents
US5323257AJun 21, 1994

Microphone and microphone system

SONY CORP184 citations95
US7671919B2Mar 2, 2010

Camera

SONY CORP10 citations83
US5159188AOct 27, 1992

Optical reception apparatus using prism having caldera-shaped concave portion

SONY CORP5 citations61

YAMAGISHI MAKOTO

2 patents
US8538059B2Sep 17, 2013

Ear speaker device

YAMAGISHI MAKOTO16 citations90
US8175316B2May 8, 2012

Ear speaker device

YAMAGISHI MAKOTO18 citations90

YAMAGUCHI YUKIMASA

1 patent
US8913772B2Dec 16, 2014

Ear speaker device

YAMAGUCHI YUKIMASA6 citations67