Tsutomu Naito

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optically anisotropic pitch for manufacturing high compressive stre...
- Patent number 5,540,905
- Issue date Jul 30, 1996
- Tonen Corporation
- Tsutomu Naito
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High compressive strength pitch based carbon fiber
- Patent number 5,395,607
- Issue date Mar 7, 1995
- Tonen Corporation
- Hiroshi Toshima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High strength, high modulus pitch-based carbon fiber
- Patent number 5,114,697
- Issue date May 19, 1992
- Toa Nenryo Kogyo Kabushiki Kaisha
- Tsutomu Naito
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing carbon fiber and graphite fiber
- Patent number 4,895,712
- Issue date Jan 23, 1990
- Toa Nenryo Kogyo K.K.
- Kikuji Komine
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High modulus pitch-based carbon fiber and method for preparing same
- Patent number 4,822,587
- Issue date Apr 18, 1989
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Hino
- 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
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 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 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...
Information Patent Grant
Solvent dewaxing waxy hydrocarbons using an alpha olefin polymer-ol...
- Patent number 4,422,924
- Issue date Dec 27, 1983
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Solvent dewaxing waxy hydrocarbons using an .alpha.-olefin polymer-...
- Patent number 4,354,003
- Issue date Oct 12, 1982
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Solvent dewaxing waxy hydrocarbon oils using dewaxing aid
- Patent number 4,192,733
- Issue date Mar 11, 1980
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Tsutomu Naito

Person

Patents Grantslast 30 patents

Optically anisotropic pitch for manufacturing high compressive stre...

High compressive strength pitch based carbon fiber

High strength, high modulus pitch-based carbon fiber

Process for producing carbon fiber and graphite fiber

High modulus pitch-based carbon fiber and method for preparing same

Process for producing mesophase pitch

Optically anisotropic carbonaceous pitch

Process for producing optically anisotropic carbonaceous pitch

Optically antisotropic carbonaceous pitch

Process for producing mesophase pitch

Process for producing optically anisotropic carbonaceous pitch

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

Solvent dewaxing waxy hydrocarbons using an alpha olefin polymer-ol...

Solvent dewaxing waxy hydrocarbons using an .alpha.-olefin polymer-...

Solvent dewaxing waxy hydrocarbon oils using dewaxing aid