Ohtsuka; Takafumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohtsuka; Takafumi.The latest application filed is for "optical module and method for manufacturing optical module".
- Ohtsuka; Takafumi - Osaka JP
- OHTSUKA; Takafumi - Osaka-shi JP
- Ohtsuka; Takafumi - Yokohama JP
- Ohtsuka; Takafumi - Yokohama-shi JP
| Patent | Date |
|---|---|
| Optical connection structure Grant 11,402,585 - Tanaka , et al. August 2, 2 | 2022-08-02 |
| Optical Module And Method For Manufacturing Optical Module App 20210389525 - YAMADA; Eiichiro ; et al. | 2021-12-16 |
| Optical fiber amplifier Grant 11,088,504 - Shimakawa , et al. August 10, 2 | 2021-08-10 |
| Optical Fiber Amplifier App 20210242655 - OHTSUKA; Takafumi | 2021-08-05 |
| Radiation Device And Emission Cooling Device App 20210151654 - INOUE; Takeshi ; et al. | 2021-05-20 |
| Optical Amplifier App 20200381885 - OHTSUKA; Takafumi | 2020-12-03 |
| Optical Connection Structure App 20200284988 - TANAKA; Masato ; et al. | 2020-09-10 |
| Optical Fiber Amplifier App 20190379174 - SHIMAKAWA; Osamu ; et al. | 2019-12-12 |
| Optical fiber sensor system for strain detection Grant 10,429,235 - Ohtsuka October 1, 2 | 2019-10-01 |
| Optical fiber sensor system having a polarization separator Grant 10,184,788 - Ohtsuka Ja | 2019-01-22 |
| Optical Fiber Sensor System App 20170363461 - Ohtsuka; Takafumi | 2017-12-21 |
| Interferometric optical fiber sensor system and interferometric optical fiber sensor head Grant 9,651,436 - Ohtsuka May 16, 2 | 2017-05-16 |
| Optical path control device Grant 9,606,296 - Ohtsuka March 28, 2 | 2017-03-28 |
| Wavelength selector switch Grant 9,482,822 - Suzuki , et al. November 1, 2 | 2016-11-01 |
| Optical Fiber Sensor System App 20160238376 - Ohtsuka; Takafumi | 2016-08-18 |
| Wavelength Selector Switch App 20160216452 - SUZUKI; Masaki ; et al. | 2016-07-28 |
| Wavelength selective switch Grant 9,372,311 - Tazawa , et al. June 21, 2 | 2016-06-21 |
| Optical Path Control Device App 20160124152 - Ohtsuka; Takafumi | 2016-05-05 |
| Wavelength Selection Switch And Control Method For Phase Modulation Element App 20160124155 - OHTSUKA; Takafumi | 2016-05-05 |
| Wavelength selective switch and method of manufacturing same Grant 9,326,050 - Suzuki , et al. April 26, 2 | 2016-04-26 |
| Interferometric Optical Fiber Sensor System And Interferometric Optical Fiber Sensor Head App 20160061672 - OHTSUKA; Takafumi | 2016-03-03 |
| Optical unit and optical device Grant 9,277,301 - Ohtsuka March 1, 2 | 2016-03-01 |
| Optical Device App 20150286009 - Ohtsuka; Takafumi | 2015-10-08 |
| Wavelength selective switch Grant 9,151,902 - Ohtsuka , et al. October 6, 2 | 2015-10-06 |
| Optical Path Control Device App 20150260920 - Ohtsuka; Takafumi | 2015-09-17 |
| Optical Unit And Optical Device App 20150098701 - OHTSUKA; Takafumi | 2015-04-09 |
| Wavelength Selective Switch App 20150078748 - TAZAWA; Hidehisa ; et al. | 2015-03-19 |
| Wavelength Selective Switch And Method Of Manufacturing Same App 20150023662 - SUZUKI; Masaki ; et al. | 2015-01-22 |
| Wavelength Selective Switch App 20140321796 - OHTSUKA; Takafumi ; et al. | 2014-10-30 |
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