Michio Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Audio reproducing apparatus
- Patent number 6,484,137
- Issue date Nov 19, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hirotsugu Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital signal recording apparatus and a digital signal reproducing...
- Patent number 5,493,647
- Issue date Feb 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Syuji Miyasaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microphone apparatus
- Patent number 5,226,087
- Issue date Jul 6, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kiminori Ono
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Microphone apparatus
- Patent number 5,193,117
- Issue date Mar 9, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kiminori Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Array microphone
- Patent number 5,058,170
- Issue date Oct 15, 1991
- Matsushita Electric Industrial Co., Ltd.
- Takeo Kanamori
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Microphone apparatus for a video camera
- Patent number 4,984,087
- Issue date Jan 8, 1991
- Matsushita Electric Industrial Co., Ltd.
- Katsunori Fujimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE