NW

Naohito Wajima

TO Toto: 2 patents #431 of 1,113Top 40%
Overall (All Time): #2,262,327 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5780377 Light-transmissive ceramics and method of manufacturing same Tetsuaki Bundo, Koichi Hayashi 1998-07-14
5110470 Ceramic filter and process for making it Kiyoshi Yokosawa 1992-05-05