Fujiwara; Masamichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fujiwara; Masamichi.The latest application filed is for "optical communication system and optical communication method".
Company Profile
5.18.22
- Fujiwara; Masamichi - Tokyo JP
- FUJIWARA; Masamichi - Musashino-shi Tokyo
- FUJIWARA; Masamichi - Kawasaki JP
- Fujiwara; Masamichi - Shizuoka JP
- Fujiwara; Masamichi - Yokosuka JP
- Fujiwara; Masamichi - Yokosuka-shi JP
- Fujiwara; Masamichi - Chiba JP
- Fujiwara; Masamichi - Funabashi JP
- Fujiwara; Masamichi - Kanagawa JP
- Fujiwara; Masamichi - Iwata JP
Patent Activity
| Patent | Date |
|---|---|
| Optical receiving apparatus, optical transmitting apparatus, and frequency offset estimation method Grant 11,451,305 - Igarashi , et al. September 20, 2 | 2022-09-20 |
| Optical Communication System And Optical Communication Method App 20220239375 - FUJIWARA; Masamichi ; et al. | 2022-07-28 |
| Memory System App 20220130468 - TOKUTOMI; Tsukasa ; et al. | 2022-04-28 |
| Memory system Grant 11,222,703 - Tokutomi , et al. January 11, 2 | 2022-01-11 |
| Optical Receiving Apparatus, Optical Transmitting Apparatus, And Frequency Offset Estimation Method App 20210399809 - IGARASHI; Ryo ; et al. | 2021-12-23 |
| Signal Processing Apparatus And Optical Receiver App 20210336706 - IIYAMA; Noriko ; et al. | 2021-10-28 |
| Signal Processing Apparatus And Optical Receiving Apparatus App 20210258075 - IIYAMA; Noriko ; et al. | 2021-08-19 |
| Memory System App 20210165713 - TOKUTOMI; Tsukasa ; et al. | 2021-06-03 |
| Hybrid type vessel propulsion apparatus Grant 11,008,084 - Nakamura , et al. May 18, 2 | 2021-05-18 |
| Memory System App 20210110875 - TOKUTOMI; Tsukasa ; et al. | 2021-04-15 |
| Memory system Grant 10,956,264 - Tokutomi , et al. March 23, 2 | 2021-03-23 |
| Memory system Grant 10,910,067 - Tokutomi , et al. February 2, 2 | 2021-02-02 |
| Memory System App 20200075106 - TOKUTOMI; Tsukasa ; et al. | 2020-03-05 |
| Hybrid Type Vessel Propulsion Apparatus App 20200062362 - NAKAMURA; Daisuke ; et al. | 2020-02-27 |
| Memory System App 20190377636 - TOKUTOMI; Tsukasa ; et al. | 2019-12-12 |
| Memory system Grant 10,430,275 - Tokutomi , et al. O | 2019-10-01 |
| Memory System App 20190087264 - Tokutomi; Tsukasa ; et al. | 2019-03-21 |
| Optical coupling/splitting device, two-way optical propagation device, and optical-transmit-receive system Grant 9,306,670 - Fujiwara , et al. April 5, 2 | 2016-04-05 |
| Light Merging/branching Device, Bidirectional Light Propagation Device, And Light Transmission/reception System App 20140186040 - Fujiwara; Masamichi ; et al. | 2014-07-03 |
| Optical modulation apparatus Grant 7,474,460 - Fujiwara , et al. January 6, 2 | 2009-01-06 |
| Optical modulating device Grant 7,336,414 - Fujiwara , et al. February 26, 2 | 2008-02-26 |
| Optical modulation apparatus App 20070127113 - Fujiwara; Masamichi ; et al. | 2007-06-07 |
| Ring network using multi-wavelength generator Grant 7,206,510 - Suzuki , et al. April 17, 2 | 2007-04-17 |
| Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter Grant 7,127,168 - Kani , et al. October 24, 2 | 2006-10-24 |
| Multi-wavelength generating method and apparatus based on flattening of optical spectrum Grant 7,068,412 - Fujiwara , et al. June 27, 2 | 2006-06-27 |
| Polarization scrambler and optical network using the same Grant 7,031,614 - Fujiwara , et al. April 18, 2 | 2006-04-18 |
| Optical modulating device App 20060024066 - Fujiwara; Masamichi ; et al. | 2006-02-02 |
| Polarization scrambler and optical network using the same Grant 6,959,152 - Fujiwara , et al. October 25, 2 | 2005-10-25 |
| Polarization scrambler and optical network using the same App 20050220457 - Fujiwara, Masamichi ; et al. | 2005-10-06 |
| Polarization scrambler and optical network using the same App 20050213991 - Fujiwara, Masamichi ; et al. | 2005-09-29 |
| Multi-wavelength generating method and apparatus based on flattening of optical spectrum Grant 6,924,924 - Fujiwara , et al. August 2, 2 | 2005-08-02 |
| Multi-wavelength generating method and apparatus based on flattening of optical spectrum App 20050008373 - Fujiwara, Masamichi ; et al. | 2005-01-13 |
| Multi-wavelength generating method and apparatus based on flattening of optical spectrum Grant 6,831,774 - Fujiwara , et al. December 14, 2 | 2004-12-14 |
| Multi-wavelength generating method and apparatus based on flattening of optical spectrum App 20040100682 - Fujiwara, Masamichi ; et al. | 2004-05-27 |
| Polarization scrambler and optical network using the same App 20030161638 - Fujiwara, Masamichi ; et al. | 2003-08-28 |
| Ring network using multi-wavelength generator App 20030067649 - Suzuki, Hiroo ; et al. | 2003-04-10 |
| Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter App 20020191904 - Kani, Jun-Ichi ; et al. | 2002-12-19 |
| Light generation method and light source Grant 6,359,724 - Katagiri , et al. March 19, 2 | 2002-03-19 |
| Multi-wavelength generating method and apparatus based on flattening of opticalspectrum App 20020015212 - Fujiwara, Masamichi ; et al. | 2002-02-07 |
| Mounting arrangement for marine propulsion engine Grant 5,797,778 - Ito , et al. August 25, 1 | 1998-08-25 |
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