KK

Katsuhiko Kuboki

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
📍 Kokubunji, JP: #302 of 714 inventorsTop 45%
Overall (All Time): #1,038,610 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6678480 Optical transmitter and optical communication system Masahiro Aoki 2004-01-13
6498871 Wavelength stabilized light source 2002-12-24
5515196 Optical intensity and phase modulators in an optical transmitter apparatus Shigeki Kitajima, Hirohisa Sano, Shinya Sasaki 1996-05-07
5408349 Optical frequency division multiplexing transmission system Hideaki Tsushima, Shinya Sasaki 1995-04-18
5323258 Homodyne optical receiver equipment Hideaki Tsushima, Ryoji Takeyari, Shinya Sasaki, Shigeki Kitajima 1994-06-21