HF

Hisayoshi Fujikawa

TL Toyota Central R&D Labs: 10 patents #78 of 1,657Top 5%
HK Hayashibara Seibutsu Kagaku Kenkyujo: 6 patents #36 of 263Top 15%
NC Nippondenso Co.: 4 patents #582 of 3,479Top 20%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
TI Toyota Industries: 2 patents #605 of 1,610Top 40%
UP University of Pennsylvania: 1 patents #1,260 of 2,719Top 50%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #185,152 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10424678 Solar cell with double groove diffraction grating Hideo Iizuka, Yasuhiko Takeda 2019-09-24
9136406 Solar cell assembly with diffraction gratings Hideo Iizuka, Yasuhiko Takeda 2015-09-15
8976450 Optical light switch having two internally located diffraction gratings separated by liquid medium Hideo Iizuka, Nader Engheta 2015-03-10
8400706 Acousto-optic scanner Hideo Iizuka, Nader Engheta 2013-03-19
8026578 Barrier film and method of producing barrier film Kunio Akedo, Atsushi Miura, Koji Noda 2011-09-27
7521567 Amine compound and uses thereof Makoto Fujiwara, Natsuko Sonoda, Makoto Satsuki, Sadaharu Suga, Koji Noda +1 more 2009-04-21
7514158 Coumarin compound Makoto Satsuki, Makoto Fujiwara, Natsuko Ishida, Sadaharu Suga, Hisato Takeuchi +1 more 2009-04-07
7419727 Organic electroluminescent device Kazushige Kojima, Kojiro Tachi, Koji Noda, Masahiko Ishii, Yasunori Taga +4 more 2008-09-02
7375225 4-cyanocoumarin derivatives and uses thereof Yoshio Taniguchi, Toshiki Koyama, Chihaya Adachi, Tomoyasu Saitou, Makoto Satsuki +6 more 2008-05-20
7338720 Organic electroluminescent element Makoto Satsuki, Natsuko Ishida, Sadaharu Suga, Yasunori Taga, Satoshi Nakagawa +2 more 2008-03-04
7279239 Laminating product including adhesion layer and laminate product including protective film Kunio Akedo, Koji Noda, Atsushi Miura, Yasunori Taga 2007-10-09
7252892 Organic electroluminescence device Makoto Satsuki, Natsuko Ishida, Sadaharu Suga, Yasunori Taga 2007-08-07
6573380 4-cyanocoumarin derivatives and uses thereof Yoshio Taniguchi, Toshiki Koyama, Chihaya Adachi, Tomoyasu Saitou, Makoto Satsuki +6 more 2003-06-03
6416887 Organic electroluminescent element Shizuo Tokito, Koji Noda, Masahiko Ishii, Yasunori Taga, Makoto Kimura +1 more 2002-07-09
6406801 Optical resonator type organic electroluminescent element Shizuo Tokito, Koji Noda, Yasunori Taga 2002-06-18
6355773 Functional polymer and organic electroluminescence element, optical memory, and hole transport element using the same Karl Heinz Weinfurtner, Shizuo Tokito, Yasunori Taga 2002-03-12
6036823 Dielectric thin film and thin-film EL device using same Kazuhiro Inoguchi, Yutaka Hattori, Nobuei Ito, Tomoya Uchida, Tadashi Hattori +3 more 2000-03-14
5789860 Dielectric thin film composition and thin-film EL device using same Kazuhiro Inoguchi, Yutaka Hattori, Nobuei Ito, Tomoya Uchida, Tadashi Hattori +3 more 1998-08-04
5635764 Surface treated structure for solder joint Takeshi Ohwaki, Yasunori Taga, Osamu Takenaka, Kenji Kondo, Takao Yoneyama +1 more 1997-06-03
5589733 Electroluminescent element including a dielectric film of tantalum oxide and an oxide of either indium, tin, or zinc Koji Noda, Katsuji Yamashita, Yasunori Taga 1996-12-31
5404075 TFEL element with tantalum oxide and tungsten oxide insulating layer Yasunori Taga 1995-04-04
5306950 Electrode assembly for a semiconductor device Koji Noda, Takeshi Ohwaki, Yasunori Taga 1994-04-26
5225286 Dielectric film Yasunori Taga, Makio Iida 1993-07-06