Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824261 | Hollow fiber membrane for the degassing of inks, ink degassing method, ink degassing apparatus, method for the fabrication of an ink cartridge, and ink | Kenji Watari, Satoshi Takeda, Masumi Kobayashi, Masamoto Uenishi, Noriaki Fukushima +1 more | 2004-11-30 |
| 6818339 | Polymer electrolyte type fuel cell | Yasushi Sugawara, Hisaaki Gyoten, Eiichi Yasumoto, Teruhisa Kanbara, Junji Morita +6 more | 2004-11-16 |
| 6797122 | Coke oven and method of operating the same | Shuhei Yoshida, Syoji Takase, Takafumi Saji, Hiroyuki Koyama | 2004-09-28 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Kazuhito Hatoh, Yasushi Sugawara, Teruhisa Kanbara +6 more | 2004-06-08 |