Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6758557 | LIQUID CONTAINER, METHOD OF MANUFACTURING THE CONTAINER, PACKAGE OF THE CONTAINER, INK JET HEAD CARTRIDGE IN WHICH THE CONTAINER AND A RECORDING HEAD ARE MADE INTEGRAL WITH EACH OTHER, AND LIQUID DISCHARGE RECORDING APPARATUS | Kenta Udagawa, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Shuzo Iwanaga +1 more | 2004-07-06 |