Inventor

YAMAGUCHI SUMIHISA

JP3 patents

Patents

3 patents

US6428392B1Aug 6, 2002

Abrasive

SEIMI CHEM KK46 citations90

US6602111B1Aug 5, 2003

Abrasive

SEIMI CHEM KK36 citations86

US7025796B2Apr 11, 2006

Method for evaluating the quality of abrasive grains, polishing method and abrasive for polishing glass

SEIMI CHEM KK3 citations53