Osamu Hirao

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Patents Grantslast 30 patents

Information Patent Grant
Piecing method and apparatus for a spinning machine
- Patent number 5,934,058
- Issue date Aug 10, 1999
- Murata Kikai Kabushiki Kaisha
- Osamu Hirao
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Piecing method and device for a spinning machine
- Patent number 5,813,209
- Issue date Sep 29, 1998
- Murata Kikai Kabushiki Kaisha
- Osamu Hirao
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Drawing false-twisting method and a drawing false-twister
- Patent number 5,406,782
- Issue date Apr 18, 1995
- Murata Kikai Kabushiki Kaisha
- Hisao Inuyama
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
False twisting method for yarns and false twisting apparatus therefor
- Patent number 5,136,835
- Issue date Aug 11, 1992
- Murata Kikai Kabushiki Kaisha
- Osamu Hirao
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
False twister for yarn
- Patent number 5,094,068
- Issue date Mar 10, 1992
- Murata Kikai Kabushiki Kaisha
- Osamu Hirao
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING