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Light scanning device
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Patent number 4,943,128
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Issue date Jul 24, 1990
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Ricoh Company, Ltd.
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Hiromi Takada
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G06 - COMPUTING CALCULATING COUNTING
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Electrostatic recording apparatus
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Patent number 4,875,063
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Issue date Oct 17, 1989
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Ricoh Company, Ltd.
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Hiroyuki Idenawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Method of making rotary type wheels
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Patent number 4,228,577
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Issue date Oct 21, 1980
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Ricoh Company, Ltd.
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Takami Suzuki
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Serial printing apparatus
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Patent number 4,165,190
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Issue date Aug 21, 1979
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Ricoh Co., Ltd.
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Takami Suzuki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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High speed impact printer
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Patent number 4,134,692
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Issue date Jan 16, 1979
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Ricoh Co., Ltd.
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Takami Suzuki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Serial printing apparatus
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Patent number 4,126,400
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Issue date Nov 21, 1978
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Ricoh Company, Ltd.
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Takami Suzuki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Serial printing apparatus
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Patent number 4,106,611
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Issue date Aug 15, 1978
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Ricoh Company, Ltd.
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Takami Suzuki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS