Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622199 | Water-absorbing agent for organic EL device and organic EL device | Satoshi Tanaka, Shigeru Hieda, Hisamitsu Takahashi | 2009-11-24 |
| 7030258 | Water-capturing agent and organic EL device | Hisamitsu Takahashi, Shigeru Hieda, Satoshi Tanaka | 2006-04-18 |
| 6896980 | Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same | Hisamitsu Takahashi, Shigeru Hieda, Satoshi Tanaka | 2005-05-24 |
| 6887592 | Organic EL element | Shigeru Hieda, Hisamitsu Takahashi, Satoshi Tanaka | 2005-05-03 |
| 6790381 | Drying agent | Hisamitsu Takahashi, Satoshi Tanaka, Shigeru Hieda | 2004-09-14 |
| 6414443 | Organic electroluminescence device and method for driving same | Yoshihisa Marushima | 2002-07-02 |
| 6410166 | Organic electroluminescence device doping device and organic electroluminescence device | Hisamitsu Takahashi, Satoshi Tanaka, Toshio Miyauchi | 2002-06-25 |
| 6288486 | Multi-color organic electroluminescence device with overlapping luminous layers | Hisamitsu Takahashi, Satoshi Tanaka, Toshio Miyauchi, Tatsuo Fukuda | 2001-09-11 |
| 6048631 | Organic electroluminescence device and organic electroluminescence device material | Hisamitsu Takahashi, Satoshi Tanaka, Toshio Miyauchi | 2000-04-11 |
| 5998926 | Organic electroluminescence device having apertured insulation layers and method for manufacturing the same | Hisamitsu Takahashi, Toshio Miyauchi | 1999-12-07 |
| 5898276 | Organic electroluminescent element with uniform display segment voltages using the line resistances | Hisamitsu Takahashi, Satoshi Tanaka, Toshio Miyauchi | 1999-04-27 |
| 5804917 | Organic electroluminescent display device and method for manufacturing same | Hisamitsu Takahashi, Toshio Miyauchi, Shigeru Hieda | 1998-09-08 |
| 5606462 | Color filter and fluorescent display device having color filters incorporated therein | Haruhisa Hirakawa, Yoshinari Okamoto, Eiji Sato | 1997-02-25 |
| 5559397 | Color filter and fluorescent display device having color filters incorporated therein | Haruhisa Hirakawa, Yoshinari Okamoto, Eiji Sato | 1996-09-24 |
| 5543685 | Flourescent display device having a protective film interposed between color filters and anode electrodes | Yoshinari Okamoto, Haruhisa Hirakawa, Eiji Sato | 1996-08-06 |
| 5387838 | Fluorescent display device with high duty ratio | Haruhisa Hirakawa, Eiji Sato | 1995-02-07 |
| 5055744 | Display device | — | 1991-10-08 |
| 4881017 | Display device with stretched electrode assemblies having different resonant frequencies | — | 1989-11-14 |
| 4666415 | Linear electrode construction for fluorescent display device and process for preparing same | Kiyoshi Morimoto, Hiroshi Watanabe | 1987-05-19 |
| 4626741 | Linear electrode construction for fluorescent display device and process for preparing same | Kiyoshi Morimoto, Hiroshi Watanabe | 1986-12-02 |
| 4595862 | Graphic fluorescent display device | Kiyoshi Morimoto, Hiroshi Watanabe, Yukihiko Shimizu | 1986-06-17 |