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Hara; Masanori
Hachioji, JP
No. of patents:

Patent Number Title Of Patent Date Issued
4522137 Method of producing stitch patterns in an electronic sewing machine June 11, 1985
A method is disclosed in which all patterns to be sewn by an electronic sewing machine are divided into individual unit patterns. Stitch data characteristic of common unit patterns which find application in more than one pattern to be sewn is stored only once in a read-only memory. As a
4331090 Bobbin thread tensioning device for a sewing machine May 25, 1982
A device for automatically adjusting the tension of a lower thread, which comprises a lower thread bobbin arranged on a bottom plate of a bobbin carrier turnably carrying the bobbin, a loop taker mounted on a magnetic shaft, and an energizing coil arranged around the magnetic shaft and
4290375 Apparatus for writing and using embroidery information on magnetic tape September 22, 1981
An automatic embroidery machine is driven by information recorded on magnetic tape and utilizes a fixed sewing machine and a movable embroidery frame. An input apparatus registers user-selected points on a coordinate analysis panel, which points form embroidery patterns to be sewn, and

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