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Silicon nitride sintered body and manufacturing method thereof, member for molten metal, member for hot working, and member for digging |
— |
2010-11-09 |
| 7776773 |
Boron carbide sintered body and method of manufacturing the same and protective body |
Nobuyuki Horiuchi, Teppei Kayama, Masahito Nakanishi |
2010-08-17 |
| 7642209 |
Silicon nitride sintered material and method for manufacturing |
Yoshihiro Okawa |
2010-01-05 |
| 7557054 |
Boron carbide sintered body and protective member |
Masahito Nakanishi, Teppei Kayama |
2009-07-07 |
| 5902761 |
Ceramic granules, process for preparing the same, and process for producing sintered product of silicon nitride |
Yuji Higashi |
1999-05-11 |
| 5804523 |
Sintered product of silicon nitride |
Koichi Tanaka, Tomohiro Iwaida, Sentaro Yamamoto, Shoji Kohsaka, Masahiro Sato +2 more |
1998-09-08 |
