MS

Masakazu Shigehara

Sumitomo Electric Industries: 6 patents #80 of 3,632Top 3%
Overall (2005): #4,163 of 245,428Top 2%
6
Patents 2005

Issued Patents 2005

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6965475 Optical component, optical device and optical communications system Manabu Shiozaki 2005-11-15
6952511 Gain equalizer and optical amplification apparatus Masaki Ohmura 2005-10-04
6917471 Diffraction grating element Manabu Shiozaki 2005-07-12
6892003 Variable dispersion compensator and optical transmission system Makoto Katayama, Toshiaki Okuno, Masayuki Nishimura, Tomomi Sano, Hiroshi Suganuma +2 more 2005-05-10
6867907 Pumping light source unit, raman amplifier, and optical transmission system Masayuki Inoue, Motoki Kakui 2005-03-15
6842566 Optical fiber with built-in grating and optical fiber for forming grating therein Shinji Ishikawa, Toshiki Taru, Masaki Oomura 2005-01-11