Inventor
KATSUMATA YUICHI
JP2 patents
Patents
2 patentsUS11885366B2Jan 30, 2024
Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shape
AOYAMA SEISAKUSHO0 citations57
US12000422B2Jun 4, 2024
Crimp securing structure of bolt, crimp securing method for crimp bolt, and crimping die
AOYAMA SEISAKUSHO1 citations53