JA

Jirou Amakawa

Nichia: 1 patents #1,005 of 1,531Top 70%
📍 Nara, JP: #1,800 of 2,795 inventorsTop 65%
Overall (All Time): #3,801,254 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5326628 Frictional material comprising bi-component yarn twisted with a metal wire Sirou Takahata, Masami Tsuji 1994-07-05