Kotanigawa; Takashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kotanigawa; Takashi.The latest application filed is for "optical amplifier, optical transmission system, and optical cable failure part measurement method".
- Kotanigawa; Takashi - Tokyo JP
| Patent | Date |
|---|---|
| Optical amplifier, optical transmission system, and optical cable failure part measurement method Grant 11,329,445 - Kotanigawa , et al. May 10, 2 | 2022-05-10 |
| Optical Amplifier, Optical Transmission System, And Optical Cable Failure Part Measurement Method App 20210257803 - Kotanigawa; Takashi ; et al. | 2021-08-19 |
| Optical Transmission System And Filter Penalty Reduction Method App 20210234617 - Saito; Kohei ; et al. | 2021-07-29 |
| Optical transport system and resource optimization method Grant 10,250,348 - Yamada , et al. | 2019-04-02 |
| Framer and framing method Grant 10,230,457 - Kitamura , et al. | 2019-03-12 |
| Framer and framing method Grant 10,181,921 - Yokota , et al. Ja | 2019-01-15 |
| Framer, optical transmission device, and framing method Grant 10,063,321 - Kitamura , et al. August 28, 2 | 2018-08-28 |
| Framer And Framing Method App 20170366288 - YOKOTA; Masahiro ; et al. | 2017-12-21 |
| Framer, Optical Transmission Device, And Framing Method App 20170257169 - KITAMURA; Kei ; et al. | 2017-09-07 |
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