Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908638 | Organic electroluminescent element and method of manufacturing same | Hideaki Ueda, Keiichi Furukawa | 2005-06-21 |
| 6809473 | Organic electro-luminescence display element, finder screen display device, finder and optical device | Hideaki Ueda, Akihito Hisamitsu, Takeshi Kitahora, Keiichi Furukawa | 2004-10-26 |
| 6468676 | Organic electroluminescent display element, finder screen display device, finder and optical device | Hideaki Ueda, Akihito Hisamitsu, Takeshi Kitahora, Keiichi Furukawa | 2002-10-22 |
| 6420055 | Organic electroluminescent element | Hideaki Ueda, Keiichi Furukawa | 2002-07-16 |
| 6395409 | Organic electroluminescent element | Hideaki Ueda, Keiichi Furukawa | 2002-05-28 |
| 6280860 | Organic electroluminescent element | Hideaki Ueda, Keiichi Furukawa | 2001-08-28 |
| 6180217 | Organic electroluminescent element | Hideaki Ueda, Keiichi Furukawa | 2001-01-30 |
| 6060826 | Organic electroluminescent element having an excimer light irradiated positive electrode and method of manufacturing the same | Hideaki Ueda, Keiichi Furukawa | 2000-05-09 |
| 5732316 | Image forming apparatus provided with mold releasing agent coating structure | Hiroyuki Yamasaki, Masahide Ueda, Eiichi Sano, Masahiko Matsuura, Atsuto Hirai +2 more | 1998-03-24 |
| 5568244 | Image forming apparatus including an endless transfer member | Atsuto Hirai, Masahide Ueda, Eiichi Sano, Masahiko Matsuura, Hiroyuki Yamasaki +2 more | 1996-10-22 |
| 5485257 | Image forming apparatus with endless transfer member | Masahide Ueda, Tomoo Izumi, Hiroyuki Yamasaki, Atsuto Hirai, Masahiko Matsuura +3 more | 1996-01-16 |
| 5427884 | Developer comprising toner containing specified charge controlling agent and carrier coated with polyolefinic resin | Junji Ohtani, Junji Machida | 1995-06-27 |
| 5385801 | Method of developing electrostatic latent image | Junji Ohtani, Junji Machida, Tamotsu Shimizu, Hiroshi Murasaki, Hiroshi Mizuno | 1995-01-31 |
| 5260159 | Developer for full color copy containing light-transmittable toner and resin-coated carrier having pores | Junji Ohtani, Junji Machida | 1993-11-09 |
| 5252398 | Polyolefinic resin-coated carrier with irregular surface | Junji Ohtani, Junji Machida, Satoshi Asahi, Hiroshi Hayashi, Kouichi Matono | 1993-10-12 |
| 5142336 | Developer having the predetermined residual polarization and developing apparatus for using the developer | Hideo Hotomi, Hiroshi Mizuno, Masahiro Anno | 1992-08-25 |
| 5027157 | Developing device provided with electrodes for inducing a traveling wave on the developing material | Hideo Hotomi, Hiroshi Mizuno | 1991-06-25 |
| 4994859 | Power cloud developing apparatus with a first and second electric field curtain generating means | Hiroshi Mizuno, Hideo Hotomi, Masahiro Anno | 1991-02-19 |