Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460981 | Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports | Shinji Yasukawa, Minoru Usui, Tsuyoshi Kitahara, Noriaki Okazawa, Hideaki Sonehara | 2002-10-08 |
| 6390611 | Ink jet recording apparatus, sub-tank unit adapted thereto, and ink droplet ejection capability recovery method | Atushi Kobayashi, Satoshi Shinada, Takeo Seino, Hisashi Miyazawa, Hitoshi Matsumoto +2 more | 2002-05-21 |
| 6390616 | Method for manufacturing ink cartridges | Satoshi Shinada, Hisashi Koike, Tomio Yokoyama, Kazunori Ito | 2002-05-21 |
| 6361138 | Ink jet printing apparatus and ink cartridge | Takeo Seino, Satoshi Shinada | 2002-03-26 |