Hirata; Atsuko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirata; Atsuko.The latest application filed is for "phenol novolak resin, production process thereof, and positive photoresist composition using the same".
- Hirata; Atsuko - Kanagawa JP
| Patent | Date |
|---|---|
| Phenol novolak resin, production process thereof, and positive photoresist composition using the same Grant 6,939,926 - Miyagi , et al. September 6, 2 | 2005-09-06 |
| Phenol novolak resin, production process thereof, and positive photoresist composition using the same App 20040167312 - Miyagi, Ken ; et al. | 2004-08-26 |
| Positive photoresist composition App 20020001769 - Doi, Kousuke ; et al. | 2002-01-03 |
| Phenol novolak resin, production process thereof, and positive photoresist composition using the same App 20010024762 - Miyagi, Ken ; et al. | 2001-09-27 |
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