NY

Nu Yu

Hoechst Gmbh: 4 patents #925 of 4,020Top 25%
HL Hoechst Japan Limited: 1 patents #49 of 137Top 40%
Overall (All Time): #661,305 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7088757 Use of spiro compounds as laser dyes Josef Salbeck, Willi Kreuder 2006-08-08
6638646 Substituted poly(arylenevinylenes), process for their preparation, and their use in electroluminescent elements Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Hermann Schenk 2003-10-28
6559473 Light-emitting diodes with hetero-PN-junction Wen-Bing Kang, Akihiko Tokida 2003-05-06
6414431 Thin film electrode for planar organic light-emitting devices and method for its production Hubert Spreitzer, Hermann Schenk, Willi Kreuder, Heinrich Becker 2002-07-02
6361917 Process for patterning poly(arylenevinylene) polymer films by irradiation with light Wen-Bing Kang, Akihiko Tokida 2002-03-26
5919579 Organic electroluminescent device Wen-Bing Kang, Akihiko Tokida, Thomas Potrawa, Andreas Winterfeldt 1999-07-06
5871854 Organic electroluminescent device Akihiko Tokida, Wen-Bing Kang, Thomas Potrawa, Andreas Winterfeldt 1999-02-16
5757193 Apparatus for detecting defects of wiring board Tsunetoshi Sugiyama, Shizuo Ogura, Yusuke Takano 1998-05-26