Inventor
FUKUYAMA TAKANORI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “FUKUYAMA TAKANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
9 patentsUS12572039B2Mar 10, 2026
Light modulation device and projector
SEIKO EPSON CORP0 citations62
US11846868B2Dec 19, 2023
Projection apparatus with heat dissipation
SEIKO EPSON CORP0 citations62
US11829019B2Nov 28, 2023
Light modulation device and projector
SEIKO EPSON CORP0 citations62
US12078918B2Sep 3, 2024
Projector having light modulation device and reflection member
SEIKO EPSON CORP0 citations52
US11460757B2Oct 4, 2022
Projector and liquid crystal panel module
SEIKO EPSON CORP0 citations50
US10038882B2Jul 31, 2018
Projector and method of controlling projector
SEIKO EPSON CORP0 citations50
US10754231B2Aug 25, 2020
Projector
SEIKO EPSON CORP0 citations41
US9599886B2Mar 21, 2017
Polarizer unit and projector
SEIKO EPSON CORP0 citations39
US7775667B2Aug 17, 2010
Optical device and projector
SEIKO EPSON CORP0 citations39
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS6570993B1May 27, 2003
Electric-mechanical-acoustic converter and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations95
US7362877B2Apr 22, 2008
Electric acoustic converter and electronic device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US7200241B2Apr 3, 2007
Loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6724908B2Apr 20, 2004
Method for producing electric-mechanical acoustic converter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US6373958B1Apr 16, 2002
Electrical/mechanical/sound converter and apparatus of electrical/mechanical/sound conversion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US7388964B2Jun 17, 2008
Loudspeaker, and module and electronic apparatus using the loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations83
US5889732AMar 30, 1999
Sounder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72
PANASONIC CORP
5 patentsUS7877856B2Feb 1, 2011
Method of manufacturing a speaker
PANASONIC CORP11 citations83
US7548632B2Jun 16, 2009
Speaker, module using the same, electronic equipment and device, and speaker producing method
PANASONIC CORP11 citations83
US8023685B2Sep 20, 2011
Electroacoustic transducer and electronic device using the same
PANASONIC CORP2 citations62
US7630508B2Dec 8, 2009
Electro-acoustic transducer and electronic apparatus using it
PANASONIC CORP2 citations62
US7548627B2Jun 16, 2009
Speaker, and module, electronic apparatus, and device that use the speaker
PANASONIC CORP4 citations62