Yoshitada Kawashima

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission device
- Patent number 9,520,948
- Issue date Dec 13, 2016
- Fujitsu Optical Components Limited
- Masaharu Doi
- G02 - OPTICS
Information Patent Grant
Mach-zehnder modulator
- Patent number 8,831,385
- Issue date Sep 9, 2014
- Fujitsu Optical Components Limited
- Masaki Sugiyama
- G02 - OPTICS
Information Patent Grant
Mach-zehnder modulator
- Patent number 8,774,563
- Issue date Jul 8, 2014
- Fujitsu Optical Components Limited
- Masaki Sugiyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULATOR THAT INCLUDES OPTICAL WAVEGUIDE FORMED IN FERROEL...
- Publication number 20170017097
- Publication date Jan 19, 2017
- FUJITSU OPTICAL COMPONENTS LIMITED
- Masaharu DOI
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR THAT INCLUDES OPTICAL WAVEGUIDE FORMED IN FERROEL...
- Publication number 20160223881
- Publication date Aug 4, 2016
- FUJITSU OPTICAL COMPONENTS LIMITED
- Masaharu DOI
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMISSION DEVICE
- Publication number 20150261017
- Publication date Sep 17, 2015
- FUJITSU OPTICAL COMPONENTS LIMITED
- Masaharu DOI
- G02 - OPTICS
Information Patent Application
MACH-ZEHNDER MODULATOR
- Publication number 20110194802
- Publication date Aug 11, 2011
- FUJITSU OPTICAL COMPONENTS LIMITED
- Masaki SUGIYAMA
- G02 - OPTICS