Masanori Ayuta

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Buttonhole closing device for lockstitch bar tacking sewing machine
- Patent number 5,609,115
- Issue date Mar 11, 1997
- The Singer Company N.V.
- Masanori Ayuta
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Bar tacking stitch pattern
- Patent number 5,481,995
- Issue date Jan 9, 1996
- The Singer Company N.V.
- Katsuo Hiratsuka
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread trimming device for a lockstitch bar tacking sewing machine
- Patent number 5,477,795
- Issue date Dec 26, 1995
- The Singer Company N.V.
- Koichi Nakayama
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Device in a button sewing machine for maintaining looseness in need...
- Patent number 5,046,437
- Issue date Sep 10, 1991
- SSMC Inc.
- Katsuo Hiratsuka
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Speed controller for controlling revolution speed of upper shaft of...
- Patent number 4,967,678
- Issue date Nov 6, 1990
- SSMC Inc.
- Katsuo Hiratsuka
- D05 - SEWING EMBROIDERING TUFTING