TT

Tomoto Tanaka

Fujitsu Limited: 15 patents #1,986 of 24,456Top 9%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
Overall (All Time): #326,507 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
7400444 Optical amplifier and control method for optical amplifier Norifumi Shukunami, Mayumi Naito 2008-07-15
7394589 Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights Miki Onaka, Etsuko Hayashi, Yasushi Sugaya, Susumu Kinoshita 2008-07-01
7362499 Optical amplifier with pump light source control for Raman amplification Etsuko Hayashi, Yasushi Sugaya, Miki Onaka 2008-04-22
7245422 Raman optical amplifier, optical transmission system using the same, and raman optical amplification method 2007-07-17
7133192 Light amplification control unit and method Yuji Tamura 2006-11-07
7042636 Optical amplifier with pump light source control for Raman amplification Etsuko Hayashi, Yasushi Sugaya, Miki Onaka 2006-05-09
6891661 Optical amplifier with pump light source control for Raman amplification Etsuko Hayashi, Yasushi Sugaya, Miki Onaka 2005-05-10
6873455 Optical amplification apparatus utilizing raman amplification and controlling method thereof Yasushi Sugaya, Etsuko Hayashi 2005-03-29
6847478 Optical amplification apparatus using Raman amplification Miki Onaka, Etsuko Hayashi, Yasushi Sugaya 2005-01-25
6683712 Optical amplification apparatus using Raman amplification Miki Onaka, Etsuko Hayashi, Yasushi Sugaya 2004-01-27
6624926 Optical amplifier with pump light source control for raman amplification Etsuko Hayashi, Yasushi Sugaya, Miki Onaka 2003-09-23
6577437 Optical amplification apparatus utilizing Raman amplification and controlling method thereof Yasushi Sugaya, Etsuko Hayashi 2003-06-10
6510000 Optical amplifier for wide band raman amplification of wavelength division multiplexed (WDM) signal lights Miki Onaka, Etsuko Hayashi, Yasushi Sugaya, Susumu Kinoshita 2003-01-21
6441951 Optical amplification apparatus using Raman amplification Miki Onaka, Etsuko Hayashi, Yasushi Sugaya 2002-08-27
6388801 Optical amplification apparatus utilizing Raman amplification and controlling method thereof Yasushi Sugaya, Etsuko Hayashi 2002-05-14