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Masatoshi Wada
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Izumiotsu, JP
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last 30 patents
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Patent Grant
Optical filter made of inorganic material for green light
Patent number
4,741,963
Issue date
May 3, 1988
Okuno Chemical Industries, Ltd.
Masatoshi Wada
G02 - OPTICS
Information
Patent Grant
Optical filter made of inorganic material for blue light
Patent number
4,741,962
Issue date
May 3, 1988
Okuno Chemical Industries Co., Ltd.
Masatoshi Wada
G02 - OPTICS
Information
Patent Grant
High contrast display device
Patent number
4,692,662
Issue date
Sep 8, 1987
Okuno Chemical Industries Co. Ltd.
Masatoshi Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical filter made of inorganic material for red light
Patent number
4,626,071
Issue date
Dec 2, 1986
Okuno Chemical Industries Co., Ltd.
Masatoshi Wada
G02 - OPTICS
Information
Patent Grant
Catalyst composition for forming electroless plating on ceramics
Patent number
4,622,069
Issue date
Nov 11, 1986
Okuno Chemical Industry Co., Ltd.
Yoshito Akai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition for bonding electroconductive metal coating to electric...
Patent number
4,469,714
Issue date
Sep 4, 1984
Okuno Chemical Industry Co., Ltd.
Masatoshi Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Vitreous enamel compositions
Patent number
4,172,733
Issue date
Oct 30, 1979
Okuno Chemical Industry Co., Ltd.
Yukikazu Moritsu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Vitreous enamel composition containing palladium powder
Patent number
4,150,995
Issue date
Apr 24, 1979
Okuno Chemical Industry Co., Ltd.
Yukikazu Moritsu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES