Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736496 | Ink tank and ink-jet printer using the same | Yukihiro Hanaoka, Koji Yamada | 2004-05-18 |
| D488504 | Ink cartridge | Koji Yamada, Chiyoshige Nakazawa | 2004-04-13 |
| 6709788 | Lithium secondary cell and method of producing lithium nickel metal oxide positive electrode therefor | Norikazu Hosokawa, Hiroshi Ueshima, Kenichiro Kami | 2004-03-23 |