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Osamu Funayama
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Saitama-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrophilicity promoting and maintaining agent for polysilazane-con...
Patent number
7,396,568
Issue date
Jul 8, 2008
Clariant Finance (BVI) Limited
Tadashi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aminated polysilazane and process for the preparation thereof
Patent number
6,310,168
Issue date
Oct 30, 2001
Tonen Corporation
Yasuo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyorganosiloxazanes and process for the preparation thereof
Patent number
6,011,167
Issue date
Jan 4, 2000
Tonen Corporation
Yuuji Tashiro
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for the production of polysilazane
Patent number
5,905,130
Issue date
May 18, 1999
Tonen Corporation
Hirohiko Nakahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymetalosilazane, process of producing same, silicon nitride base...
Patent number
5,436,398
Issue date
Jul 25, 1995
Tonen Corporation
Yasuo Shimizu
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Thermosetting copolymers, silicon carbide-based fiber and processes...
Patent number
5,292,830
Issue date
Mar 8, 1994
Tonen Corporation
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polysiloxazanes, silicon oxynitride fibers and processes for produc...
Patent number
5,166,104
Issue date
Nov 24, 1992
Toa Nenryo Kogyo Kabushiki Kaisha
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Molded articles formed of silicon nitride based ceramic and process...
Patent number
5,145,812
Issue date
Sep 8, 1992
Toa Nenryo Kogyo Kabushiki Kaisha
Mikiro Arai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Boron-containing, silicon nitride-based ceramic shaped body
Patent number
5,128,286
Issue date
Jul 7, 1992
Tonen Corporation
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polysiloxazanes, silicon oxynitride fibers and processes for produc...
Patent number
5,079,323
Issue date
Jan 7, 1992
Toa Nenro Kogyo Kabushiki Kaisha
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Silicon nitride based ceramic fibers, process of preparing same and...
Patent number
5,032,551
Issue date
Jul 16, 1991
Toa Nenryo Kogyo Kabushiki Kaisha
Yuuji Tashiro
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Polyborosilazane and process for producing same
Patent number
5,030,744
Issue date
Jul 9, 1991
Tonen Corporation
Osamu Funayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reformed polysilazane and method of producing same
Patent number
4,975,512
Issue date
Dec 4, 1990
Petroleum Energy Center
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polysiloxazanes, silicon oxynitride fibers and processes for produc...
Patent number
4,965,058
Issue date
Oct 23, 1990
Toa Nenryo Kogyo Kabushiki Kaisha
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Reformed, inorganic polysilazane
Patent number
4,933,160
Issue date
Jun 12, 1990
Petroleum Energy Center
Osamu Funayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymetalosilazane and process for preparing same
Patent number
4,886,860
Issue date
Dec 12, 1989
Toa Nenryo Kogyo Kabushiki Kaisha
Mikiro Arai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Processes for producing polysiloxazanes and silicon oxynitride fibers
Patent number
4,869,858
Issue date
Sep 26, 1989
Toa Nenryo Kogyo Kabushiki Kaisha
Osamu Funayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Reformed, inorganic polysilazane and method of producing same
Patent number
4,861,569
Issue date
Aug 29, 1989
Petroleum Energy Center
Osamu Funayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-purity silicon nitride fibers
Patent number
4,818,611
Issue date
Apr 4, 1989
Tao Nenryo Kogyo K.K.
Mikiro Arai
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Polyorgano(hydro)silazane and process for producing same
Patent number
4,659,850
Issue date
Apr 21, 1987
Toa Nenryo Kogyo Kabushiki Kaisha
Mikiro Arai
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Polysilane-containing coating solution
Publication number
20050279255
Publication date
Dec 22, 2005
Tadashi Suzuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Hydrophilization-accelerating and hydrophilicity-keeping agents for...
Publication number
20050119402
Publication date
Jun 2, 2005
Tadashi Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...