KM

Keiichi Miyamoto

AL Alpha: 2 patents #1 of 2Top 50%
📍 Kure, JP: #7 of 62 inventorsTop 15%
Overall (1997): #33,467 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5640864 Cylinder lock resistible against breaking 1997-06-24
5630331 Key cylinder automatic returning device for cylinder lock device 1997-05-20