Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471350 | Method of protecting heater surface of ink-jet printer, ink-jet recording apparatus, recording unit and method of prolonging service life of ink-jet recording head | Ryuji Katsuragi, Makoto Shioya | 2002-10-29 |
| 6460970 | Method of manufacturing nozzle plate for ink jet recording head, ink jet recording head comprising such nozzle plate, and ink jet recording apparatus comprising such head | Norio Ohkuma, Hirokazu Komuro, Takashi Fujikawa, Ken Tsuchii, Shuichi Murakami | 2002-10-08 |