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Toshiyuki Maegawa
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Higashiosaka, JP
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last 30 patents
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Patent Grant
Calculator with definable keys
Patent number
4,647,911
Issue date
Mar 3, 1987
Sharp Kabushiki Kaisha
Toshiyuki Maegawa
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Method for recording digital information
Patent number
4,485,415
Issue date
Nov 27, 1984
Sharp Kabushiki Kaisha
Toshiyuki Maegawa
G11 - INFORMATION STORAGE
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Patent Grant
Character printing system in electronic data processing apparatus s...
Patent number
4,375,922
Issue date
Mar 8, 1983
Sharp Kabushiki Kaisha
Toshiyuki Maegawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Memory clear system
Patent number
4,247,905
Issue date
Jan 27, 1981
Sharp Kabushiki Kaisha
Yukihiro Yoshida
G06 - COMPUTING CALCULATING COUNTING