Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774257 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Tadashi Ishibashi, Shinichiro Tamura | 2004-08-10 |
| 6765108 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Tadashi Ishibashi, Shinichiro Tamura | 2004-07-20 |
| 6727379 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Tadashi Ishibashi, Shinichiro Tamura | 2004-04-27 |
| 6680131 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2004-01-20 |
| 6593012 | Organic electroluminescent deivce | Tadashi Ishibashi, Shinichiro Tamura | 2003-07-15 |
| 6555254 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2003-04-29 |
| 6525212 | Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates | Shinichiro Tamura, Tadashi Ishibashi, Ichinori Takada | 2003-02-25 |
| 6495274 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2002-12-17 |
| 6492557 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Tadashi Ishibashi, Shinichiro Tamura | 2002-12-10 |
| 6479171 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2002-11-12 |
| 6435249 | Method of recycling disk recording medium and apparatus for recovering metal reflective film | Tetsuya Komine, Hidemi Tomita | 2002-08-20 |
| 6410167 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2002-06-25 |
| 6338910 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2002-01-15 |
| 6337167 | Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates | Shinichiro Tamura, Tadashi Ishibashi, Ichinori Takada | 2002-01-08 |
| 6312838 | Organic electroluminescent device | Tadashi Ishibashi, Shinichiro Tamura | 2001-11-06 |
| 6066229 | Method of recycling disk recording medium and apparatus for recovering metal reflective film | Tetsuya Komine, Hidemi Tomita | 2000-05-23 |
| 6019798 | Process for recovering dyestuff from dyestuff-containing information-recording media and solvent used for recovery | Hidemi Tomita | 2000-02-01 |