Takayuki Izumi

Person

Oi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing carbon fiber and graphite fiber
- Patent number 4,810,437
- Issue date Mar 7, 1989
- Toa Nenryo Kogyo K.K.
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing mesophase pitch
- Patent number RE32792
- Issue date Nov 29, 1988
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- 208 - Mineral oils: processes and products
Information Patent Grant
Method and apparatus for melt spinning
- Patent number 4,670,202
- Issue date Jun 2, 1987
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshio Uenoyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Optically anisotropic carbonaceous pitch
- Patent number 4,655,902
- Issue date Apr 7, 1987
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing optically anisotropic carbonaceous pitch
- Patent number 4,601,813
- Issue date Jul 22, 1986
- Toa Wenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Optically anisotropic carbonaceous pitch and process for producing...
- Patent number 4,589,974
- Issue date May 20, 1986
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Optically antisotropic carbonaceous pitch
- Patent number 4,534,850
- Issue date Aug 13, 1985
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing mesophase pitch
- Patent number 4,533,461
- Issue date Aug 6, 1985
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for continuous production of optically anisotropic pitch
- Patent number 4,511,456
- Issue date Apr 16, 1985
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing optically anisotropic carbonaceous pitch
- Patent number 4,454,019
- Issue date Jun 12, 1984
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing a homogeneous low softening point, optically...
- Patent number 4,454,020
- Issue date Jun 12, 1984
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takayuki Izumi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Takayuki Izumi

Person

Patents Grantslast 30 patents

Process for manufacturing carbon fiber and graphite fiber

Process for producing mesophase pitch

Method and apparatus for melt spinning

Optically anisotropic carbonaceous pitch

Process for producing optically anisotropic carbonaceous pitch

Optically anisotropic carbonaceous pitch and process for producing...

Optically antisotropic carbonaceous pitch

Process for producing mesophase pitch

Process for continuous production of optically anisotropic pitch

Process for producing optically anisotropic carbonaceous pitch

Process for producing a homogeneous low softening point, optically...