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Osamu Koshinaka

MC Maruzen Sewing Machine Co.: 5 patents #4 of 15Top 30%
HK Hosei Mishin Seizo Kabushiki Kaisha: 1 patents #2 of 5Top 40%
📍 Izumi, JP: #43 of 245 inventorsTop 20%
Overall (All Time): #886,239 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5890446 Convertible lock and over-lock sewing machine 1999-04-06
4803936 Thread tension device for overedge sewing machines Yoshio Mikuni 1989-02-14
4799439 Double purpose looper for overlocking sewing machine Yoshikazu Suzuki 1989-01-24
4799440 Looper changeover device Yoshikazu Suzuki, Yoshihide Yoneda 1989-01-24
4690080 Overedge sewing machine Yoshio Mikuni 1987-09-01
4649841 Swingable mounting for a trimmer in a overlock machine 1987-03-17