Ogahara; Yoneichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ogahara; Yoneichi.The latest application filed is for "insulation-film etching system".
- Ogahara; Yoneichi - Tokyo JP
| Patent | Date |
|---|---|
| Insulation-film etching system Grant 7,025,855 - Sago , et al. April 11, 2 | 2006-04-11 |
| Insulation-film etching system App 20030159779 - Sago, Yasumi ; et al. | 2003-08-28 |
| Substrate holder for a plasma processing system Grant 5,958,265 - Ogahara September 28, 1 | 1999-09-28 |
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