Inventor

HIRAKAWA AKIO

JP2 patents

Patents

2 patents

US6087194AJul 11, 2000

Composite unit of optical semiconductor device and supporting substrate and method for mounting optical semiconductor device on supporting substrate

OKI ELECTRIC IND CO LTD22 citations88

US7034392B2Apr 25, 2006

Duplexer

OKI ELECTRIC IND CO LTD0 citations38