Inventor
ASAI HIDEKUNI
JP4 patents
Patents
4 patentsUS7164817B2Jan 16, 2007
Optical switch and optical add/drop multiplexer using the same
HOYA CORP2 citations58
US6876789B2Apr 5, 2005
Optical filtering module and optical devices using such optical filtering module
HOYA CORP6 citations58
US6701041B2Mar 2, 2004
Optical filter module and optical apparatus using the same
HOYA CORP4 citations58
US7236657B2Jun 26, 2007
Optical switch and optical add/drop multiplexer using the same
HOYA CORP0 citations37