Usui; Ryuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Usui; Ryuji.The latest application filed is for "fiber optic gyroscope".
- Usui; Ryuji - Kanagawa JP
- Usui; Ryuji - Tokyo JP
| Patent | Date |
|---|---|
| Fiber optic gyroscope having optical integrated circuit, depolarizer and fiber optic coil Grant 7,190,462 - Ohno , et al. March 13, 2 | 2007-03-13 |
| Fiber Optic Gyroscope App 20070030491 - Ohno; Aritaka ; et al. | 2007-02-08 |
| Fiber optic gyroscope Grant 6,990,269 - Ohno , et al. January 24, 2 | 2006-01-24 |
| Sagnac interferometer current sensor Grant 6,831,749 - Ohno , et al. December 14, 2 | 2004-12-14 |
| Fiber optic gyroscope App 20040091207 - Ohno, Aritaka ; et al. | 2004-05-13 |
| Sagnac interferometer current sensor App 20020122183 - Ohno, Aritaka ; et al. | 2002-09-05 |
| Optical-interference type angular velocity or rate sensor having an output of improved linearity Grant 5,412,472 - Okada , et al. May 2, 1 | 1995-05-02 |
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