Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402310 | Ink jet cartridge, ink jet apparatus, and manufacture method of ink jet cartridge | Hiroyuki Maeda, Masafumi Takimoto, Iwao Kawamura, Kunitoshi Hayashi, Takuya Yasumitsu | 2002-06-11 |
| D456836 | Ink tank for printer | Hitoshi Ito, Iwao Kawamura | 2002-05-07 |
| D453184 | Ink tank for printer | Hitoshi Ito, Iwao Kawamura | 2002-01-29 |