Oyama; Masaharu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oyama; Masaharu.The latest application filed is for "ink jet head and ink jet recording apparatus".
- Oyama; Masaharu - Fukuoka JP
- Oyama, Masaharu - Chikushino-shi JP
- Oyama; Masaharu - Chikushino JP
| Patent | Date |
|---|---|
| Applying voltages to an ink jet printhead Grant 7,055,922 - Ikeda , et al. June 6, 2 | 2006-06-06 |
| Ink jet head and ink jet recording apparatus App 20050052492 - Ikeda, Kouji ; et al. | 2005-03-10 |
| Waveform generating circuit, inkjet head driving circuit and inkjet recording device Grant 6,830,302 - Masumoto , et al. December 14, 2 | 2004-12-14 |
| Ink jet recording apparatus Grant 6,793,311 - Baba , et al. September 21, 2 | 2004-09-21 |
| Ink jet head and ink jet recording apparatus Grant 6,783,212 - Ikeda , et al. August 31, 2 | 2004-08-31 |
| Ink jet recording apparatus Grant 6,736,479 - Baba , et al. May 18, 2 | 2004-05-18 |
| Waveform generating circuit and inkjet head drive circuit and ink jet recording device App 20040032436 - Masumoto, Kenichi ; et al. | 2004-02-19 |
| Ink jet head and ink jet recording apparatus App 20030227519 - Ikeda, Kouji ; et al. | 2003-12-11 |
| Ink jet recording apparatus App 20030122888 - Baba, Koichi ; et al. | 2003-07-03 |
| Ink jet recording apparatus App 20030071869 - Baba, Koichi ; et al. | 2003-04-17 |
| Head drive unit and driving method App 20020048028 - Esaki, Takahiro ; et al. | 2002-04-25 |
| Ink discharging device Grant 5,657,062 - Shiraishi , et al. August 12, 1 | 1997-08-12 |
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