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Oxide magnetic material
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Patent number 5,518,642
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Issue date May 21, 1996
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Matsushita Electric Industrial Co., Ltd.
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Osamu Inoue
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Agitating mill and method for milling
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Patent number 5,320,284
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Issue date Jun 14, 1994
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Matsushita Electric Industrial Co., Ltd.
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Masamitsu Nishida
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Dielectric ceramics
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Patent number 5,246,898
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Issue date Sep 21, 1993
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Matsushita Electric Industrial Co., Ltd.
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Takuya Fujimaru
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Magnetic material
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Patent number 5,238,507
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Issue date Aug 24, 1993
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Matsushita Electric Industrial Co., Ltd.
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Koichi Kugimiya
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G11 - INFORMATION STORAGE
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Composite substrate
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Patent number 5,164,264
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Issue date Nov 17, 1992
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Matsushita Electric Industrial Co., Ltd.
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Koichi Kugimiya
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B22 - CASTING POWDER METALLURGY
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Magnetic material for a magnetic head
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Patent number 5,073,214
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Issue date Dec 17, 1991
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Matsushita Electric Industrial Co., Ltd.
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Ken Hirota
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Magnetic nitride film
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Patent number 5,049,209
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Issue date Sep 17, 1991
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Sakakima
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B82 - NANO-TECHNOLOGY
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Aligning exposure method
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Patent number RE33669
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Issue date Aug 20, 1991
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Matsushita Electric Industrial Co., Ltd.
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Noboru Nomura
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356 - Optics: measuring and testing
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Laminated magnetic materials
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Patent number 4,897,318
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Issue date Jan 30, 1990
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Sakakima
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G11 - INFORMATION STORAGE
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Magnetic nitride film
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Patent number 4,836,865
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Issue date Jun 6, 1989
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Sakakima
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B82 - NANO-TECHNOLOGY