Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481819 | Ink jet recording head and recording apparatus having recording element substrates with different liquid ejection systems | Ken Tsuchii, Keiichiro Tsukuda | 2002-11-19 |
| 6474790 | Ink jet recording head | — | 2002-11-05 |
| 6412920 | Ink jet printing head, ink jet head cartridge and printing apparatus | Haruyuki Matsumoto, Hajime Yamamoto, Tsuguhiro Fukuda, Masashi Miyagawa | 2002-07-02 |
| 6354698 | Liquid ejection method | Masayoshi Tachihara | 2002-03-12 |