OY

Osamu Yamakawa

KS Kabushiki Kaisha Sangi: 1 patents #2 of 6Top 35%
NC Ngk Adrec Co.: 1 patents #1 of 4Top 25%
NI Ngk Insulators: 1 patents #50 of 163Top 35%
📍 Kani, JP: #2 of 4 inventorsTop 50%
Overall (1997): #96,869 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5618762 Light-weight antibacterial ceramic and antibacterial ceramic filter Hiroshi Shirakawa, Hiroaki Nihonmatsu, Kiminori Atsumi 1997-04-08