Inventor
UKAI NORIYUKI
JP3 patents
Patents
3 patentsUS5017531AMay 21, 1991
Silicon nitride ceramic sintered bodies
NGK INSULATORS LTD20 citations78
US4820665AApr 11, 1989
Ceramic sintered bodies and a process for manufacturing the same
NGK INSULATORS LTD19 citations78
US4871697AOct 3, 1989
Method of producing homogeneous silicon nitride sintered bodies
NGK INSULATORS LTD1 citations48