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Patent applications and USPTO patent grants for KITAGAITO; Keiji.The latest application filed is for "plasma etching method and plasma etching apparatus".
Patent | Date |
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Plasma Etching Method And Plasma Etching Apparatus App 20220262646 - KITAGAITO; Keiji ;   et al. | 2022-08-18 |
Plasma etching method and plasma etching apparatus Grant 11,355,352 - Kitagaito , et al. June 7, 2 | 2022-06-07 |
Plasma Etching Method And Plasma Etching Apparatus App 20200294812 - KITAGAITO; Keiji ;   et al. | 2020-09-17 |
Plasma etching method and plasma etching apparatus Grant 10,707,091 - Kitagaito , et al. | 2020-07-07 |
Plasma Etching Method And Plasma Etching Apparatus App 20190088497 - KITAGAITO; Keiji ;   et al. | 2019-03-21 |
Plasma etching method and plasma etching apparatus Grant 10,163,653 - Kitagaito , et al. Dec | 2018-12-25 |
Etching method Grant 9,396,962 - Kitagaito , et al. July 19, 2 | 2016-07-19 |
Plasma Etching Method And Plasma Etching Apparatus App 20160086817 - KITAGAITO; Keiji ;   et al. | 2016-03-24 |
Etching Method App 20150243522 - Kitagaito; Keiji ;   et al. | 2015-08-27 |
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