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Yasuji Morioka
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Tokyo, JP
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last 30 patents
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Patent Grant
Multiple display presentation system capable of sequencing prerecor...
Patent number
5,335,081
Issue date
Aug 2, 1994
TEAC Corporation
Hirohisa Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Visual presentation system employing two or more video disk players...
Patent number
5,172,242
Issue date
Dec 15, 1992
TEAC Corporation
Hirohisa Yamaguchi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Visual presentation system providing for a wiping change from one s...
Patent number
5,140,425
Issue date
Aug 18, 1992
TEAC Corporation
Hirohisa Yamaguchi
G06 - COMPUTING CALCULATING COUNTING