Masuda; Sumihisa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Masuda; Sumihisa.The latest application filed is for "method of producing epitaxial silicon wafer and epitaxial silicon wafer".
- Masuda; Sumihisa - Minato-ku JP
- Masuda; Sumihisa - Saga JP
- Masuda; Sumihisa - Tokyo JP
| Patent | Date |
|---|---|
| Method of producing epitaxial wafer and the epitaxial wafer having a highly flat rear surface Grant 9,685,315 - Masuda , et al. June 20, 2 | 2017-06-20 |
| Method of producing epitaxial silicon wafer and epitaxial silicon wafer Grant 9,631,297 - Narahara , et al. April 25, 2 | 2017-04-25 |
| Method Of Producing Epitaxial Silicon Wafer And Epitaxial Silicon Wafer App 20150184314 - Narahara; Kazuhiro ; et al. | 2015-07-02 |
| Semiconductor wafer and method of producing same Grant 8,952,496 - Masuda February 10, 2 | 2015-02-10 |
| Semiconductor Wafer And Method Of Producing Same App 20140264765 - Masuda; Sumihisa | 2014-09-18 |
| Semiconductor wafer and method of producing the same Grant 8,772,177 - Masuda July 8, 2 | 2014-07-08 |
| Method Of Producing Epitaxial Wafer And The Epitaxial Wafer App 20130264690 - Masuda; Sumihisa ; et al. | 2013-10-10 |
| Semiconductor Wafer And Method Of Producing The Same App 20120248578 - Masuda; Sumihisa | 2012-10-04 |
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