Inventor

WATANABE KIHACHIRO

JP2 patents

Patents

2 patents

US5538465AJul 23, 1996

Elastic foamed sheet and wafer-polishing jig using the sheet

SHINETSU HANDOTAI KK21 citations89

US5409770AApr 25, 1995

Elastic foamed sheet and wafer-polishing jig using the sheet

SHINETSU HANDOTAI KK23 citations89