Issued Patents 2003
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652056 | Ink-jet recording apparatus and recording method | — | 2003-11-25 |
| 6644798 | Method of reducing kogation of heater of ink-jet recording head, ink-jet recording method, ink-jet recording apparatus, recording unit and method for prolonging service life of recording head | Ryuji Katsuragi | 2003-11-11 |
| 6640007 | Electronic writing implement and method of electronic writing | Manabu Niie, Tatsuo Furukawa | 2003-10-28 |
| 6633809 | Wireless method and system for providing navigation information | Takeiki Aizono, Koichi Sano | 2003-10-14 |
| 6607266 | Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus | Ryuji Katsuragi, Hideto Yokoi | 2003-08-19 |
| 6604809 | Cleaning ink-jet recording head with liquid composition | Ryuji Katsuragi | 2003-08-12 |
| 6550903 | Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus | Ryuji Katsuragi | 2003-04-22 |
| 6533406 | Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus | Ryuji Katsuragi | 2003-03-18 |
| 6533398 | Method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head | Ryuji Katsuragi | 2003-03-18 |
| 6513906 | Recording apparatus and recording method | Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Masayoshi Tachihara +2 more | 2003-02-04 |
| 6514920 | Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head | Ryuji Katsuragi, Hideto Yokoi, Masataka Eida | 2003-02-04 |
| 6513922 | INK, INK-JET INK, METHOD FOR REDUCING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING, INK-JET RECORDING APPARATUS, RECORDING UNIT AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE | Ryuji Katsuragi | 2003-02-04 |