Inventor
TONAI HIROKI
JP3 patents
Patents
3 patentsUS6784131B2Aug 31, 2004
Silicon nitride wear resistant member and method of manufacturing the member
TOSHIBA KK17 citations82
US6485830B1Nov 26, 2002
Material for ceramic ball and method of manufacturing ceramic ball
TOSHIBA KK5 citations60
US6475940B2Nov 5, 2002
Wear resistant member for electronic equipment and bearing and spindle motor therewith
TOSHIBA KK1 citations50