Issued Patents 2004
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827431 | Ink tank | Kenji Kitabatake, Yasuo Kotaki, Keisuke Matsuo, Wataru Takahashi | 2004-12-07 |
| 6815381 | Fibrous material, production process of the fibrous material, ink-absorbing, treating process of the ink-absorbing member, ink tank container and ink cartridge | Hajime Yamamoto, Eiichiro Shimizu, Yoshihisa Takizawa, Keiichiro Tsukuda, Yuji Hamasaki +2 more | 2004-11-09 |
| 6805434 | Liquid supplying system, liquid supply container, capillary force generating member container, ink jet cartridge and ink jet recording apparatus | Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki, Hiroshi Koshikawa +1 more | 2004-10-19 |
| 6796645 | Surface reformed fiber body, liquid container using fiber absorber, and method of producing fiber absorber for use in liquid ejection | Sadayuki Sugama, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Mikio Sanada +2 more | 2004-09-28 |
| D493820 | Ink tank for printer | Keisuke Matsuo, Tetsuya Ohashi, Kenji Kitabatake, Yasuo Kotaki | 2004-08-03 |
| D493821 | Ink tank for printer | Keisuke Matsuo, Tetsuya Ohashi, Kenji Kitabatake, Yasuo Kotaki | 2004-08-03 |
| D493194 | Printing head for printer | Tetsuya Ohashi, Kenji Kitabatake, Keisuke Matsuo, Yasuo Kotaki | 2004-07-20 |
| 6755500 | Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink | Hirofumi Hirano, Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata +4 more | 2004-06-29 |
| 6746110 | Liquid container and liquid supply system | — | 2004-06-08 |
| 6719415 | Ink container, valve unit, ink container manufacturing method, ink jet head cartridge and recording apparatus | Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hiroshi Koshikawa, Kenji Kitabatake | 2004-04-13 |
| 6709092 | Recording liquid feed path, recording liquid container, and recording liquid feed device having same, as well as surface modifying method for the recording liquid feed device | Sadayuki Sugama, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Mikio Sanada +2 more | 2004-03-23 |
| 6698871 | Ink-contacting member, ink-absorbing member, ink tank and ink-jet cartridge, and ink-jet recording apparatus using the same | Hajime Yamamoto, Eiichiro Shimizu | 2004-03-02 |
| 6692115 | Liquid container, liquid supply system and liquid discharge recording apparatus | Mikio Sanada, Sadayuki Sugama | 2004-02-17 |