Inventor
ONISHI MASAHIDE
JP26 patents
⚠️ This page may combine multiple inventors who share the name “ONISHI MASAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
14 patentsUS6909282B2Jun 21, 2005
Rotation angle detector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6804888B2Oct 19, 2004
Rotational angle detector and rotational angle detecting method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US6421449B1Jul 16, 2002
Speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92
US6630823B2Oct 7, 2003
Rotation angle detector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations91
US7340065B2Mar 4, 2008
Active noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US7340064B2Mar 4, 2008
Active noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US6282296B1Aug 28, 2001
Audio reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6912791B2Jul 5, 2005
Rotation angle detector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations83
US6870470B2Mar 22, 2005
Angle sensor and car using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations83
US7382121B2Jun 3, 2008
Rotational angle detector for detecting a rotational angle of a rotating body
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations82
US6375477B2Apr 23, 2002
Electronic device with connector and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6370253B1Apr 9, 2002
Sound reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US6944302B2Sep 13, 2005
Sound reproducing system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US7436174B2Oct 14, 2008
Rotation angle detector having detection heads disposed perpendicular to a rotor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations58
PANASONIC CORP
4 patentsUS7536018B2May 19, 2009
Active noise cancellation system
PANASONIC CORP53 citations94
US8027484B2Sep 27, 2011
Active vibration noise controller
PANASONIC CORP27 citations92
US7574006B2Aug 11, 2009
Active noise controller
PANASONIC CORP37 citations92
US8014538B2Sep 6, 2011
Active noise reducing device
PANASONIC CORP3 citations63
PANASONIC IP MAN CO LTD
3 patentsUS12160716B2Dec 3, 2024
Loudspeaker system, mobile body seat, and mobile body
PANASONIC IP MAN CO LTD0 citations62
US11750975B2Sep 5, 2023
Signal processing device, signal processing method, and recording medium
PANASONIC IP MAN CO LTD0 citations62
US12389145B2Aug 12, 2025
Loudspeaker system and seat
PANASONIC IP MAN CO LTD0 citations57