Inventor
TANAKA TAKEHITO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TAKEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
13 patentsUS7526161B2Apr 28, 2009
Optical device
FUJITSU LTD14 citations92
US7263244B2Aug 28, 2007
Optical modulator
FUJITSU LTD19 citations92
US6678428B2Jan 13, 2004
Optical modulator
FUJITSU LTD22 citations92
US6741379B2May 25, 2004
Optical module having element for optical phase shift using electro-optic effect
FUJITSU LTD23 citations91
US6238102B1May 29, 2001
Multiaxial optical coupler
FUJITSU LTD16 citations84
US6999223B2Feb 14, 2006
Optical modulator
FUJITSU LTD6 citations74
US6961494B2Nov 1, 2005
Optical waveguide device
FUJITSU LTD9 citations74
US6594407B2Jul 15, 2003
Optical modulator of clock modulation type
FUJITSU LTD11 citations74
US7551820B2Jun 23, 2009
Optical device
FUJITSU LTD4 citations63
US6950218B2Sep 27, 2005
Optical modulator
FUJITSU LTD6 citations63
US6466705B2Oct 15, 2002
Acousto-optic variable-wavelength TE/TM mode converter, and a variable-wavelength optical filter using this converter
FUJITSU LTD6 citations63
US7689078B2Mar 30, 2010
Optical device
FUJITSU LTD0 citations52
US7006715B2Feb 28, 2006
Optical modulator of clock modulation type
FUJITSU LTD0 citations52
FUJITSU OPTICAL COMPONENTS LTD
12 patentsUS9231728B2Jan 5, 2016
Optical module and optical transmitter
FUJITSU OPTICAL COMPONENTS LTD10 citations84
US10578885B2Mar 3, 2020
Polarization coupling device and optical modulation device
FUJITSU OPTICAL COMPONENTS LTD2 citations73
US9954638B2Apr 24, 2018
Optical module and optical transmitter using the same
FUJITSU OPTICAL COMPONENTS LTD6 citations73
US12153294B2Nov 26, 2024
Optical device having dual waveguides with one being an electro-optic crystal waveguide
FUJITSU OPTICAL COMPONENTS LTD2 citations72
US9461753B2Oct 4, 2016
Optical receiver circuit
FUJITSU OPTICAL COMPONENTS LTD3 citations72
US9405081B2Aug 2, 2016
Optical transmitting apparatus
FUJITSU OPTICAL COMPONENTS LTD3 citations72
US11003043B2May 11, 2021
Optical modulator
FUJITSU OPTICAL COMPONENTS LTD1 citations62
US9864147B2Jan 9, 2018
Optical modulator module
FUJITSU OPTICAL COMPONENTS LTD0 citations52
US9229292B2Jan 5, 2016
Optical module and optical transmitter
FUJITSU OPTICAL COMPONENTS LTD1 citations52
US9638861B2May 2, 2017
Optical transmitter
FUJITSU OPTICAL COMPONENTS LTD1 citations51
US9448424B2Sep 20, 2016
Optical module and optical modulation device
FUJITSU OPTICAL COMPONENTS LTD0 citations51
US9638927B2May 2, 2017
Polarization combiner and optical modulation device
FUJITSU OPTICAL COMPONENTS LTD0 citations41