SH

Sten Helmfrid

PA Proximion Fiber Systems Ab: 4 patents #2 of 14Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #863,592 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8218922 Channelized dispersion compensation module Bengt Sahlgren 2012-07-10
7373046 Optical add/drop multiplexers Bengt Sahlgren, Johan Pejnefors 2008-05-13
7260292 Optical coupler Bengt Sahlgren, Mikael Bergman, Johan Pejnefors, Raoul Stubbe, Bengt Johansson 2007-08-21
7076133 Optical coupling Ulf Ohlander, Bengt Sahlgren 2006-07-11
5854870 Short-wavelength laser light source Kenchi Ito, Kimio Tatsuno, Kazumi Kawamoto, Tetsuo Andou, Hiroshi Momiji +5 more 1998-12-29
5377212 Solid-state laser device including uniaxial laser crystal emitting linearly polarized fundamental wave and nonlinear optical crystal emitting linearly polarized harmonic wave Kimio Tatsuno, Tetsuo Andou, Tsuyoshi Miyai, Masahiko Takahashi, Koji Muraoka +1 more 1994-12-27