YI

Yukio Iwase

AN Ansei: 1 patents #11 of 16Top 70%
PR Prince: 1 patents #131 of 262Top 50%
Overall (All Time): #977,108 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10870371 Operation device Masaharu Takagi, Satoshi Umezu 2020-12-22
5182998 Apparatus for mounting and removing the supporting frame of a quilt or the like in sewing machines 1993-02-02
5022336 Pin type conveyor fabric feeding apparatus for a sewing machine 1991-06-11
4791687 Mattress with support 1988-12-20
4674421 Sewing machine 1987-06-23