RI

Reijiro Itaya

KS Kabushiki Kaisha Itaya Seisaku Sho: 3 patents #2 of 4Top 50%
Overall (All Time): #1,299,316 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4991277 System for manufacturing springs — 1991-02-12
4669289 Coil spring manufacturing apparatus — 1987-06-02
4289004 Coil spring manufacturing machine — 1981-09-15
4227392 Spring winding machine — 1980-10-14