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Hiroshi Ohtsuka
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Kanagawa, JP
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last 30 patents
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Patent Grant
Apparatus for still picture video telephone apparatus and methods f...
Patent number
4,962,521
Issue date
Oct 9, 1990
Mitsubishi Denki Kabushiki Kaisha
Fumiaki Komatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Still picture picturephone communications system
Patent number
4,943,994
Issue date
Jul 24, 1990
Luma Telecom Incorporated
Hiroshi Ohtsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE