Inventor
AOKI SHUSEI
JP3 patents
Patents
3 patentsUS5440418AAug 8, 1995
Method and apparatus for alarm surveillance for an optical transmission system
OKI ELECTRIC IND CO LTD90 citations94
US6400497B1Jun 4, 2002
Optical fiber amplifier
OKI ELECTRIC IND CO LTD12 citations71
US4992922AFeb 12, 1991
Variable high-voltage generating circuit
OKI ELECTRIC IND CO LTD14 citations71