Inventor
MURATA KOUSAKU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MURATA KOUSAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS5744761AApr 28, 1998
Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations96
US4924962AMay 15, 1990
Sound reproducing apparatus for use in vehicle
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations94
US6453050B1Sep 17, 2002
Piezoelectric speaker, method for producing the same, and speaker system including the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US6978032B2Dec 20, 2005
Piezoelectric speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6865785B2Mar 15, 2005
Method for producing a piezoelectric speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US5073946ADec 17, 1991
Thin speaker having an enclosure with an open portion and a closed portion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82
US4300655ANov 17, 1981
Acoustic diaphragm for speakers and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations81
US4487877ADec 11, 1984
Diaphragm for loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
ASAMA KASEI KK
3 patentsUS6096719AAug 1, 2000
Antimicrobial agents for eucaryotic microorganisms and methods of growth suppression of eucaryotic microorganisms using these agents
ASAMA KASEI KK6 citations70
US6444651B1Sep 3, 2002
Antimicrobial agents for eucaryotic microorganisms and methods of growth suppression of eucaryotic microorganisms using these agents
ASAMA KASEI KK3 citations59
US6486132B2Nov 26, 2002
Immunomodulator, immunomodulator food and immunomodulator feed
ASAMA KASEI KK5 citations57