Inventor
SHIMA MICHIKAZU
JP10 patents
Patents
10 patentsUS5764404AJun 9, 1998
Wavelength-division-multiplexing optical amplifier
FUJITSU LTD99 citations98
US5680246AOct 21, 1997
Optical amplifier and optical transmission apparatus
FUJITSU LTD64 citations96
US6055094AApr 25, 2000
Optical amplifying apparatus
FUJITSU LTD32 citations92
US5870217AFeb 9, 1999
Multi-wavelength optical batch amplification apparatus
FUJITSU LTD53 citations92
US5822112AOct 13, 1998
Control apparatus for optical amplifier
FUJITSU LTD28 citations92
US5625481AApr 29, 1997
Auxiliary-signal transmission system
FUJITSU LTD21 citations92
US5604759AFeb 18, 1997
Drive circuit for electronic device
FUJITSU LTD26 citations91
US6061173AMay 9, 2000
Wavelength-division-multiplexing optical amplifier
FUJITSU LTD8 citations74
US5841558ANov 24, 1998
Auxiliary-signal transmission system
FUJITSU LTD7 citations74
US5798857AAug 25, 1998
Auxiliary-signal transmission system
FUJITSU LTD6 citations74