Sanpei; Yoshihiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sanpei; Yoshihiro.The latest application filed is for "interferometer, demodulator, and splitting element".
- Sanpei; Yoshihiro - Tokyo JP
- Sanpei; Yoshihiro - Musashino JP
| Patent | Date |
|---|---|
| Interferometer, demodulator, and splitting element Grant 7,864,325 - Suzuki , et al. January 4, 2 | 2011-01-04 |
| Delayed interferometer enabling a reduction of polarization-dependent frequency shift and demodulator Grant 7,847,952 - Suzuki , et al. December 7, 2 | 2010-12-07 |
| Delay interferometer and demodulator Grant 7,848,662 - Suzuki , et al. December 7, 2 | 2010-12-07 |
| Interferometer, Demodulator, And Splitting Element App 20090027683 - Suzuki; Yasuyuki ; et al. | 2009-01-29 |
| Interferometer And Demodulator App 20080218836 - Suzuki; Yasuyuki ; et al. | 2008-09-11 |
| Optical signal demodulator Grant 7,411,725 - Suzuki , et al. August 12, 2 | 2008-08-12 |
| Delay interferometer and demodulator App 20070264029 - Suzuki; Yasuyuki ; et al. | 2007-11-15 |
| Demodulator App 20070140695 - Suzuki; Yasuyuki ; et al. | 2007-06-21 |
| Spectrometer Grant 6,999,169 - Sanpei , et al. February 14, 2 | 2006-02-14 |
| Spectrometer and optical spectrum analyzer Grant 6,885,447 - Suzuki , et al. April 26, 2 | 2005-04-26 |
| Spectrometer and optical spectrum analyzer App 20040075831 - Suzuki, Yasuyuki ; et al. | 2004-04-22 |
| Spectrometer App 20030128359 - Sanpei, Yoshihiro ; et al. | 2003-07-10 |
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