YI

Yumiko Iwai

📍 Ota, JP: #258 of 330 inventorsTop 80%
Overall (All Time): #3,800,863 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5325428 Automatic switching-back device for telephone circuit Seizo Iwai, Tsuneko Iwai, Yukiko Iwai 1994-06-28