Issued Patents All Time
Showing 26–50 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877848 | Liquid container, connection unit for liquid container, and ink jet recording apparatus | Hajime Yamamoto, Hiroshi Koshikawa | 2005-04-12 |
| 6869158 | Liquid container with identifying means and method for detecting state of mount of liquid container | Yoshinori Kojima, Masanori Takenouchi, Hajime Yamamoto, Masahiko Igaki, Yasuo Kotaki +1 more | 2005-03-22 |
| 6863762 | Method for manufacturing fiber aggregate, fiber aggregate, and liquid container using such fiber aggregate | Mikio Sanada, Sadayuki Sugama, Shozo Hattori, Hajime Yamamoto, Hiroshi Koshikawa +2 more | 2005-03-08 |
| 6851798 | Liquid container and method for disconnecting liquid container | Hiroshi Koshikawa, Shozo Hattori, Hajime Yamamoto, Hiroki Hayashi, Kenji Kitabatake | 2005-02-08 |
| 6824258 | Liquid container, liquid supply system and ink jet recording apparatus utilizing the same, and method of mounting liquid container on recording apparatus | Hajime Yamamoto, Takeshi Kono, Masaya Uetsuki, Nobuyuki Hatasa, Hiroshi Koshikawa +1 more | 2004-11-30 |
| 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, Yoshihisa Takizawa, Keiichiro Tsukuda, Yuji Hamasaki, Jun Hinami +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 | Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, 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 | Hiroki Hayashi, Sadayuki Sugama, Shozo Hattori, Hajime Yamamoto, Mikio Sanada +2 more | 2004-09-28 |
| 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, Jun Hinami, Shuzo Iwanaga +1 more | 2004-07-06 |
| 6742857 | Liquid container and ink jet recording apparatus employing liquid container | Hiroshi Koshikawa, Nobuyuki Hatasa | 2004-06-01 |
| 6719415 | Ink container, valve unit, ink container manufacturing method, ink jet head cartridge and recording apparatus | Shozo Hattori, Hajime Yamamoto, Hiroshi Koshikawa, Hiroki Hayashi, Kenji Kitabatake | 2004-04-13 |
| 6712458 | Liquid container, elastic member for liquid container, and recording apparatus | Nobuyuki Hatasa, Hajime Yamamoto, Takeshi Kohno, Hiroshi Koshikawa, Tatsuo Nanjo | 2004-03-30 |
| 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 | Hiroki Hayashi, Sadayuki Sugama, Shozo Hattori, Hajime Yamamoto, Mikio Sanada +2 more | 2004-03-23 |
| 6702427 | Liquid container and recording apparatus | Hajime Yamamoto, Takeshi Kono, Shinichi Miyauchi, Yoshihiko Sugimura, Nobuyuki Hatasa +2 more | 2004-03-09 |
| 6698871 | Ink-contacting member, ink-absorbing member, ink tank and ink-jet cartridge, and ink-jet recording apparatus using the same | Hiroki Hayashi, Hajime Yamamoto | 2004-03-02 |
| 6655542 | Ink tank | Hiroshi Koshikawa, Masanori Takenouchi, Shozo Hattori, Hajime Yamamoto, Fumitaka Goto | 2003-12-02 |
| 6652949 | Method for producing fiber laminate, fiber laminate produced by the method, liquid reservoir containing the fiber laminate, and liquid-jet head cartridge having the reservoir | Shuzo Iwanaga, Hajime Yamamoto, Kenta Udagawa, Kenji Kitabatake | 2003-11-25 |
| 6641763 | Fibrous aggregate forming method | Masao Nakamura, Tetsuya Hase, Haruo Morita, Hajime Yamamoto, Kenta Udagawa +1 more | 2003-11-04 |
| 6634739 | Ink-contacting member, ink-absorbing member, ink tank and ink-jet cartridge | Hiroki Hayashi, Hajime Yamamoto | 2003-10-21 |
| D477841 | Ink tank for ink jet recording apparatus | Hiroshi Koshikawa, Masanori Takenouchi | 2003-07-29 |
| 6598963 | Liquid supplying system and liquid supply container | Hajime Yamamoto, Shozo Hattori, Hiroshi Koshikawa, Hiroki Hayashi, Kenji Kitabatake | 2003-07-29 |
| 6550898 | Liquid supply system, liquid supply container, capillary force generating member container, ink jet cartridge and ink jet recording apparatus | Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, Yasuo Kotaki, Hiroshi Koshikawa +1 more | 2003-04-22 |
| D472919 | Ink tank for ink jet recording apparatus | Hiroshi Koshikawa, Masanori Takenouchi | 2003-04-08 |
| 6543886 | Liquid supply method, liquid supply container, negative pressure generating member container, and liquid container | Shozo Hattori, Hajime Yamamoto, Hiroshi Koshikawa, Hiroki Hayashi, Kenji Kitabatake | 2003-04-08 |
| 6540342 | Liquid container and method for disconnecting liquid container | Hiroshi Koshikawa, Shozo Hattori, Hajime Yamamoto, Hiroki Hayashi, Kenji Kitabatake | 2003-04-01 |