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Mamoru Hayamizu
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Chiba, JP
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last 30 patents
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Patent Grant
Ink printing head with variable-size heat elements
Patent number
5,121,143
Issue date
Jun 9, 1992
Graphtec Corp.
Mamoru Hayamizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Movable ink jet thermal printing head to prevent ink stoppage
Patent number
4,916,468
Issue date
Apr 10, 1990
Kabushiki Kaisha Toshiba
Mamoru Hayamizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Moveable ink jet thermal printing head
Patent number
4,803,499
Issue date
Feb 7, 1989
Soartec Corp
Mamoru Hayamizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Recording apparatus having printing head
Patent number
4,731,621
Issue date
Mar 15, 1988
Kabushiki Kaisha Toshiba
Mamoru Hayamizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Paper cutting unit of automatic drawing machines
Patent number
4,721,058
Issue date
Jan 26, 1988
Seiko Instruments & Electronics Ltd.
Mamoru Hayamizu
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method for optically measuring a distance
Patent number
4,136,949
Issue date
Jan 30, 1979
Kabushiki Kaisha Daini Seikosha
Mamoru Hayamizu
G01 - MEASURING TESTING
Information
Patent Grant
Method for optically measuring a distance
Patent number
4,102,571
Issue date
Jul 25, 1978
Kabushiki Kaisha Daini Seikosha
Mamoru Hayamizu
G01 - MEASURING TESTING