-
Image and sound reproduction system
-
Patent number 6,556,775
-
Issue date Apr 29, 2003
-
Matsushita Electric Industrial Co., Ltd.
-
Yasuomi Shimada
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
Optical disk reproducing device
-
Patent number 5,029,153
-
Issue date Jul 2, 1991
-
Matsushita Electric Industrial Co., Ltd.
-
Haruhisa Tomoda
-
G11 - INFORMATION STORAGE
-
-
-
-
-
Speaker apparatus
-
Patent number 4,592,088
-
Issue date May 27, 1986
-
Matsushita Electric Industrial Co., Ltd.
-
Yasuomi Shimada
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
Speaker and speaker system
-
Patent number 4,387,275
-
Issue date Jun 7, 1983
-
Matsushita Electric Industrial Co., Ltd.
-
Yasuomi Shimada
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
Transducer with flux sensing coils
-
Patent number 4,243,839
-
Issue date Jan 6, 1981
-
Matsushita Electric Industrial Co., Ltd.
-
Kenichi Takahashi
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE