Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699452 | Ink cartridge and method of ink injection thereinto | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa +1 more | 2010-04-20 |
| 7575312 | Ink cartridge and method of ink injection thereinto | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa +1 more | 2009-08-18 |
| 7470009 | Method of filling recording material in recording material container and filling apparatus | Hisashi Koike, Noboru Asauchi, Koichi Otsuki | 2008-12-30 |
| 7165835 | Ink cartridge and method of ink injection thereinto | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa +1 more | 2007-01-23 |
| 6966638 | Ink cartridge and assembling method of atmospheric open valve in ink cartridge | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa | 2005-11-22 |
| 6926396 | Ink cartridge and method of ink injection thereinto | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa | 2005-08-09 |
| 6851797 | Method of filling recording material in recording material container and filling apparatus | Hisashi Koike, Noboru Asauchi, Koichi Otsuki | 2005-02-08 |
| 6786583 | Ink cartridge storage structure and method | Mutsuhiko Ota, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara | 2004-09-07 |
| 6539985 | Method of filling an ink cartridge with ink and an apparatus thereof | Satoshi Shinada, Yuichi Nakamura, Hisashi Koike | 2003-04-01 |
| 6474798 | Ink supplied printer head and ink container | Satoshi Shinada, Seiji Mochizuki, Yoshinori Miyazawa, Takao Kobayashi, Hisashi Koike +2 more | 2002-11-05 |
| 6332481 | Method of filling an ink cartridge with ink and an apparatus thereof | Satoshi Shinada, Yuichi Nakamura, Hisashi Koike | 2001-12-25 |
| 6302534 | Method for recycling ink cartridge used for recording apparatus | Michinari Tsukahara, Hisashi Koike, Satoshi Shinada | 2001-10-16 |
| 6276785 | Ink-supplied printer head and ink container | Satoshi Shinada, Seiji Mochizuki, Yoshinori Miyazawa, Takao Kobayashi, Hisashi Koike | 2001-08-21 |
| 6145974 | Ink-supplied printer head and ink container | Satoshi Shinada, Seiji Mochizuki, Yoshinori Miyazawa, Takao Kobayashi, Hisashi Koike | 2000-11-14 |
| 5790158 | Ink-jet recording apparatus and ink tank cartridge therefor | Satoshi Shinada, Seiji Mochizuki, Yoshinori Miyazawa, Takao Kobayashi, Hisashi Koike | 1998-08-04 |