Inventor
MATSUBARA MASARU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “MATSUBARA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
5 patentsUS6313054B1Nov 6, 2001
Silicon nitride sintered body, method for manufacturing the same, and cutting insert formed of the sintered body
NGK SPARK PLUG CO5 citations71
US6277486B1Aug 21, 2001
Cermet tool
NGK SPARK PLUG CO8 citations71
US6235382B1May 22, 2001
Cermet tool and process for producing the same
NGK SPARK PLUG CO10 citations71
US6010777AJan 4, 2000
Titanium carbo-nitride complex silicon nitride tool
NGK SPARK PLUG CO6 citations67
US6162386ADec 19, 2000
Method for manufacturing silicon nitride sintered body
NGK SPARK PLUG CO3 citations60