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Tadashi Matsuda
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Yokohama, JP
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last 30 patents
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Patent Grant
Process of using a porous water-treating material
Patent number
4,801,386
Issue date
Jan 31, 1989
Mitsubishi Rayon Co., Ltd.
Shuichi Sugimori
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aerator and aerobic biological treatment process using same
Patent number
4,690,764
Issue date
Sep 1, 1987
Mitsubishi Rayon Engineering Co., Ltd.
Munehiro Okumura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for ejecting droplets of ink
Patent number
4,625,221
Issue date
Nov 25, 1986
Fujitsu Limited
Tsuneo Mizuno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet printing head
Patent number
4,528,575
Issue date
Jul 9, 1985
Fujitsu Limited
Tadashi Matsuda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and circuit for driving an ink jet printer
Patent number
4,491,851
Issue date
Jan 1, 1985
Fujitsu Limited
Tsuneo Mizuno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS