Yamamoto; Toshikazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamamoto; Toshikazu.The latest application filed is for "testing method, light receiving device, and testing system".
- Yamamoto; Toshikazu - Tokyo JP
- Yamamoto; Toshikazu - Tachikawa JP
- Yamamoto; Toshikazu - Musashino JP
- YAMAMOTO; Toshikazu - Musashino-shi JP
- Yamamoto; Toshikazu - Kawasaki JP
- Yamamoto, Toshikazu - Kawasaki-shi JP
| Patent | Date |
|---|---|
| Multi-fiber connector fiber-optic measurement device and method Grant 11,175,458 - Ota , et al. November 16, 2 | 2021-11-16 |
| Testing method, light receiving device, and testing system Grant 11,108,461 - Tanigawa , et al. August 31, 2 | 2021-08-31 |
| Testing Method, Light Receiving Device, And Testing System App 20210028858 - Tanigawa; Akira ; et al. | 2021-01-28 |
| Multi-fiber Connector Fiber-optic Measurement Device And Method App 20200379177 - Ota; Katsushi ; et al. | 2020-12-03 |
| Optical Spectrum Measurement Device App 20180172512 - TAMAKI; Ryo ; et al. | 2018-06-21 |
| Optical wavelength meter Grant 9,146,161 - Yamamoto , et al. September 29, 2 | 2015-09-29 |
| Optical Wavelength Meter App 20140125984 - YAMAMOTO; Toshikazu ; et al. | 2014-05-08 |
| Spectroscope Grant 8,125,638 - Yamamoto , et al. February 28, 2 | 2012-02-28 |
| Spectroscope having spectroscopic paths with individual collimators Grant 7,705,984 - Kojima , et al. April 27, 2 | 2010-04-27 |
| Wavelength calibration method and wavelength calibration apparatus Grant 7,649,627 - Yamamoto January 19, 2 | 2010-01-19 |
| Spectroscope App 20090262347 - YAMAMOTO; Toshikazu ; et al. | 2009-10-22 |
| Spectroscope Having Spectroscopic Paths With Individual Collimators App 20090190127 - KOJIMA; Manabu ; et al. | 2009-07-30 |
| Wavelength calibration method and wavelength calibration apparatus App 20070195318 - Yamamoto; Toshikazu | 2007-08-23 |
| Depolarizer and spectroscope and polychromater Grant 7,075,644 - Yamamoto , et al. July 11, 2 | 2006-07-11 |
| Monochromator and optical spectrum analyzer using the same Grant 6,879,396 - Kaneko , et al. April 12, 2 | 2005-04-12 |
| Depolarizing plate and an optical apparatus using the same Grant 6,744,506 - Kaneko , et al. June 1, 2 | 2004-06-01 |
| Depolarizer and spectroscope and polychromater App 20040021942 - Yamamoto, Toshikazu ; et al. | 2004-02-05 |
| Polarization scrambler and monochromator Grant 6,654,167 - Yamamoto November 25, 2 | 2003-11-25 |
| Optical spectrum analyzer and optical spectrum measuring method App 20030098975 - Mori, Tohru ; et al. | 2003-05-29 |
| Monochromator and optical spectrum analyzer using the same App 20030081208 - Kaneko, Tsutomu ; et al. | 2003-05-01 |
| Depolarizer and spectroscope App 20030007149 - Yamamoto, Toshikazu ; et al. | 2003-01-09 |
| Depolarizing plate and an optical apparatus using the same App 20020186371 - Kaneko, Tsutomu ; et al. | 2002-12-12 |
| Polarization scrambler and monochromator App 20020063959 - Yamamoto, Toshikazu | 2002-05-30 |
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