KA

Kohei Abukawa

Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
📍 Ebeye: #1,220 of 4,528 inventorsTop 30%
Overall (All Time): #1,261,414 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6863963 Silicon nitride member, method for manufacturing the same, and cutting tool 2005-03-08
6861382 Sintered silicon nitride and silicon nitride tool 2005-03-01
6410121 Cermet tool and method for manufacturing the same 2002-06-25
6231277 Cermet tool and method for manufacturing the same 2001-05-15