Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646164 | Triphenylamine derivative and organic electroluminescence device comprising the same | Takashi Uemura, Nobuyuki Okuda | 2003-11-11 |
| 5821003 | Organic electroluminescent device | Takashi Uemura, Hiroya Kimura, Nobuyuki Okuda, Yasuko Okuda, Hajime Osaka | 1998-10-13 |
| 5817837 | Tetrathiafulvalene derivative precursors, tetrathiafulvalene derivatives, and processes for producing them | Harald Muller | 1998-10-06 |
| 5792567 | Triazole derivatives and organic electroluminescent devices produced therefrom | Junji Kido, Takashi Uemura, Hiroya Kimura, Nobuyuki Okuda, Yasuko Okuda +1 more | 1998-08-11 |
| 5637260 | Process for producing stabilized carbon cluster conducting material | Nobuyuki Okuda, Takashi Uemura, Koji Tada, Kengo Ohkura, Hirokazu Kugai | 1997-06-10 |
| 5635455 | Process for producing stabilized carbon cluster conducting or superconducting material | Nobuyuki Okuda, Takashi Uemura, Koji Tada, Kengo Ohkura, Hirokazu Kugai | 1997-06-03 |
| 5616728 | Organic charge transfer complex | Harald Muller | 1997-04-01 |
| 5589281 | Stabilized carbon cluster conducting or superconducting material, process for producing the same, device using carbon cluster, and process for producing the device | Nobuyuki Okuda, Takashi Uemura, Koji Tada, Kengo Ohkura, Hirokazu Kugai | 1996-12-31 |
| 5538763 | Method of preparing carbon cluster film having electrical conductivity | Nobuyuki Okuda, Kengo Ohkura, Hirokazu Kugai | 1996-07-23 |
| 5501778 | Organic superconductor and process for producing the same | Harald Mu/ ller | 1996-03-26 |
| 5380595 | Carbon cluster film having electrical conductivity and method of preparing the same | Nobuyuki Okuda, Kengo Ohkura, Hirokazu Kugai | 1995-01-10 |
| 5312805 | Organic superconductive material and process for producing the same | Yoshiyuki Okamoto | 1994-05-17 |
| 5252546 | Process for producing an organic superconductive material | Yoshiyuki Okamoto | 1993-10-12 |
| 5229845 | Electroconductive thin film of organic charge transfer complexes of bisethylenedithiatetrathiafulvalene | Takayuki Mishima, Hiroyuki Kusuhara | 1993-07-20 |
| 5082687 | Process for producing organic electrical conductor | Takayuki Mishima, Gunzi Saito | 1992-01-21 |
| 4919779 | Method for producing electrically conductive carbon film | Akira Mizoguchi, Jun Shioya, Yoichi Yamaguchi | 1990-04-24 |
| 4828359 | Alkyl methacrylate homo - or copolymer optical waveguide for illumination and production of the same | Norifumi Matsumiya | 1989-05-09 |
| 4795656 | Cluster ion plating method for producing electrically conductive carbon film | Akira Mizoguchi, Jun Shioya, Yoichi Yamaguchi, Hironaga Matsubara | 1989-01-03 |
| 4681400 | Plastic optical fibers | Shinichi Miyake | 1987-07-21 |
| 4645713 | Method for forming conductive graphite film and film formed thereby | Jun Shioya, Yoichi Yamaguchi, Hironaga Matsubara | 1987-02-24 |
| 4575188 | Heat resistant plastic optical fiber | — | 1986-03-11 |
| 4568146 | Plastic optical fiber and production thereof | Norifumi Matsumiya | 1986-02-04 |
| 4564263 | Process for producing plastic optical fiber | Shinichi Miyake | 1986-01-14 |
| 4505543 | Plastic optical fibers | Shinichi Miyake | 1985-03-19 |