Usui; Iwao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Usui; Iwao.The latest application filed is for "non-polarizing beam splitter".
- Usui; Iwao - Kawachinagano N/A JP
- Usui; Iwao - Osaka JP
| Patent | Date |
|---|---|
| Optical pickup device Grant 8,441,908 - Jidai , et al. May 14, 2 | 2013-05-14 |
| Optical device for monitor and optical pickup apparatus Grant 7,792,007 - Hatano , et al. September 7, 2 | 2010-09-07 |
| Non-polarizing beam splitter Grant 7,652,823 - Jidai , et al. January 26, 2 | 2010-01-26 |
| Non-polarizing beam splitter App 20070086092 - Jidai; Hidetaka ; et al. | 2007-04-19 |
| Optical device for monitor and optical pickup apparatus App 20060028960 - Hatano; Takuji ; et al. | 2006-02-09 |
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