Okubo; Tomonao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Okubo; Tomonao.The latest application filed is for "sound insulation/absorption structure, and structure having these applied thereto".
- Okubo; Tomonao - Tokyo JP
| Patent | Date |
|---|---|
| Sound insulation/absorption structure, and structure having these applied thereto Grant 7,464,790 - Kodama , et al. December 16, 2 | 2008-12-16 |
| Sound insulation/absorption structure, and structure having these applied thereto App 20060152108 - Kodama; Hidekazu ; et al. | 2006-07-13 |
| Elastic wave control element using piezoelectric materials App 20020021057 - Kodama, Hidekazu ; et al. | 2002-02-21 |
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