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Tositaka Hirata
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Tokyo, JP
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last 30 patents
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Patent Grant
Liquid jet recording head
Patent number
5,260,723
Issue date
Nov 9, 1993
Ricoh Company, Ltd.
Osamu Naruse
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Ink jet record apparatus
Patent number
5,146,236
Issue date
Sep 8, 1992
Ricoh Company, Ltd.
Tositaka Hirata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS