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Yoko Miyazawa
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Suwa, JP
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last 30 patents
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Patent Grant
Head-mounted image display apparatus
Patent number
6,538,624
Issue date
Mar 25, 2003
Seiko Epson Corporation
Joji Karasawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Head-mounted image display apparatus
Patent number
5,739,893
Issue date
Apr 14, 1998
Seiko Epson Corporation
Joji Karasawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS