Akihiro Ohba

Follow

Person

Iwakuni, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing meta-aromatic polyamide fiber
- Patent number 6,569,987
- Issue date May 27, 2003
- Teijin Limited
- Akihiro Ohba
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Easily dyeable meta-linkage-containing aromatic polyamide fibers
- Patent number 5,852,087
- Issue date Dec 22, 1998
- Teijin Limited
- Akihiro Ohba
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of pitch-based carbon fiber
- Patent number 5,145,616
- Issue date Sep 8, 1992
- Teijin Limited
- Jiro Sadanobu
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Pitch-based carbon fiber and process for preparation thereof
- Patent number 5,047,292
- Issue date Sep 10, 1991
- Teijin Limited
- Jiro Sadanobu
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING