Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469438 | Organic electroluminescence device with prescribed optical path length | Kenichi Fukuoka | 2002-10-22 |
| 6464898 | Fluorescence conversion medium and display device comprising it | Kazuhiro Tomoike, Motoharu Ishikawa | 2002-10-15 |
| 6455176 | Fluorescence-reddening membrane and red-emitting device using same | Hidetsugu Ikeda, Jun Tsuchiya | 2002-09-24 |
| 6344712 | Organic electroluminescent display device capable of preventing color mixing | Chisio Hosokawa, Masahide Matsuura | 2002-02-05 |
| 6221517 | Fluorescence-reddening membrane and red-emitting device | Hidetsugu Ikeda, Jun Tsuchiya | 2001-04-24 |
| 6175186 | Organic electroluminescent element and method for manufacturing the same | Masahide Matsuura, Chishio Hosokawa | 2001-01-16 |
| 6157127 | Organic electroluminescent element and organic electroluminescent display | Chisio Hosokawa, Masahide Matsuura | 2000-12-05 |
| 6137459 | Image display device having a planarized array of reduced surface roughness | Masahide Matsuura, Takeki Kofuji | 2000-10-24 |
| 5909081 | Multi-color light emission apparatus with organic electroluminescent device | Masahide Matsuura, Hiroshi Tokailin | 1999-06-01 |
| 5869929 | Multicolor luminescent device | Chishio Hosokawa, Masahide Matsuura | 1999-02-09 |
| 5248576 | Method of producing color filter using a micellar disruption method | Seiichiro Yokoyama, Hideaki Kurata | 1993-09-28 |
| 5135619 | Process for producing organic thin films | Yoshio Hiroi, Seiichiro Yokoyama | 1992-08-04 |
| 5135637 | Eerrocene derivatives, surfactants containing same and process for producing organic thin films | Seiichiro Yokoyama | 1992-08-04 |
| 5041582 | Novel ferrocene derivatives, surfactants containing same and process for producing organic thin films | Seiichiro Yokoyama | 1991-08-20 |
| 5015748 | Novel ferrocene derivatives, surfactants containing same and a process for producing organic thin films | Yoshio Hiroi, Seiichiro Yokoyama | 1991-05-14 |