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Mutsunori Yamao
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Kyoto, JP
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last 30 patents
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Patent Grant
Precursor of amorphous carbon molded article
Patent number
5,747,631
Issue date
May 5, 1998
Unitika Ltd.
Shingo Sasaki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Spherical particles of thermosetting phenolic resin and process for...
Patent number
4,839,445
Issue date
Jun 13, 1989
Unitika, Ltd.
Yoshiaki Echigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for treating waste water containing uranium and fluorine
Patent number
4,808,316
Issue date
Feb 28, 1989
Unitika Ltd.
Keiichiro Otomura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of microspheroidal particles of resole resins
Patent number
4,778,695
Issue date
Oct 18, 1988
Unitika Ltd.
Yoshiaki Echigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for separately recovering uranium and hydrofluoric acid fro...
Patent number
4,769,180
Issue date
Sep 6, 1988
Doryokuro Kakunenryo Kaihatsu Jigyodan
Yoshiaki Echigo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Microspherical cured phenolic resin particles and process for produ...
Patent number
4,748,214
Issue date
May 31, 1988
Unitika Ltd.
Keiichi Asami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Microspherical particles of resole resins and process for producing...
Patent number
4,640,971
Issue date
Feb 3, 1987
Unitika Ltd.
Yoshiaki Echigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...