Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709102 | Organic electroluminescence device | Chishio Hosokawa, Kenichi Fukuoka, Hidetsugu Ikeda | 2010-05-04 |
| 7045950 | Organic electroluminescence device with organic compound layer containing lower than 500 PPM of a halogen-containing compound | Toshio Sakai, Chishio Hosokawa | 2006-05-16 |
| 6773831 | Organic electroluminescent device | Chishio Hosokawa | 2004-08-10 |
| 6617051 | Organic electroluminescence device | Toshio Sakai, Chishio Hosokawa | 2003-09-09 |
| 6534199 | Organic electroluminescence device and organic light emitting medium | Chishio Hosokawa, Kenichi Fukuoka, Hidetsugu Ikeda | 2003-03-18 |
| 6531234 | Organic electroluminescence device and method of its manufacture | Toshio Sakai, Chishio Hosokawa | 2003-03-11 |
| 6489489 | Organic electroluminescent device | Toshio Sakai, Hiroaki Nakamura, Hisayuki Kawamura, Chishio Hosokawa | 2002-12-03 |
| 6406804 | Organic electroluminescent device | Chishio Hosokawa | 2002-06-18 |
| 6224966 | Organic electroluminescent device | Toshio Sakai, Hiroaki Nakamura, Chishio Hosokawa | 2001-05-01 |
| 6214481 | Organic electroluminescent device | Toshio Sakai, Hiroaki Nakamura, Hisayuki Kawamura, Chishio Hosokawa | 2001-04-10 |
| 6093864 | Aromatic dimethylidyne compounds | Hiroshi Tokailin, Chishio Hosokawa | 2000-07-25 |
| 5705284 | Thin film electroluminescence device | Chishio Hosokawa, Tadashi Kusumoto | 1998-01-06 |
| 5536949 | Charge injection auxiliary material and organic electroluminescence device containing the same | Chishio Hosokawa, Tadashi Kusumoto, Kiyoshi Ikeda | 1996-07-16 |
| 5503910 | Organic electroluminescence device | Masahide Matsuura, Hiroshi Tokailin, Tadashi Kusumoto | 1996-04-02 |
| 5443921 | Thin film electroluminescence device and process for production thereof | Chishio Hosokawa, Tadashi Kusumoto | 1995-08-22 |
| 5366811 | Organic electroluminescence device | Chishio Hosokawa, Hiroshi Tokailin | 1994-11-22 |
| 5142343 | Organic electroluminescence device with oligomers | Chishio Hosokawa, Tadashi Kusumoto | 1992-08-25 |
| 5130603 | Organic electroluminescence device | Hiroshi Tokailin, Chishio Hosokawa | 1992-07-14 |
| 5121029 | Electroluminescence device having an organic electroluminescent element | Chishio Hosokawa, Tadashi Kusumoto, Hiroshi Tokailin | 1992-06-09 |