Inventor
TSUDA TAKASHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
22 patentsUS6839160B2Jan 4, 2005
Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium
FUJITSU LTD171 citations96
US6738584B1May 18, 2004
Method for optical fiber communication, and terminal device and system for use in carrying out the method
FUJITSU LTD59 citations96
US6038063AMar 14, 2000
Optical amplifier and optical transmission system including the optical amplifier
FUJITSU LTD70 citations96
US5680246AOct 21, 1997
Optical amplifier and optical transmission apparatus
FUJITSU LTD64 citations96
US5900621AMay 4, 1999
Light transmitter having an automatic bias control circuit
FUJITSU LTD56 citations95
US5515682AMay 14, 1996
Peltier control circuit and a peltier device structure
FUJITSU LTD69 citations95
US6744958B2Jun 1, 2004
Apparatus and method of compensating for wavelength dispersion of optical transmission line
FUJITSU LTD24 citations93
US7006769B1Feb 28, 2006
Method for optical fiber communication, and device and system for use in carrying out the method
FUJITSU LTD32 citations92
US6449074B1Sep 10, 2002
Optical transmission device and optical communication system
FUJITSU LTD25 citations92
US6288836B1Sep 11, 2001
Optical amplifier and optical communication system having the optical amplifier
FUJITSU LTD47 citations92
US5736875AApr 7, 1998
Discrimination circuit capable of automatically optimizing discrimination level and discrimination phase
FUJITSU LTD28 citations92
US4813048AMar 14, 1989
Semiconductor laser driving device
FUJITSU LTD31 citations92
US5646763AJul 8, 1997
Optical transmitter and laser diode module for use in the optical transmitter
FUJITSU LTD40 citations91
US5499258AMar 12, 1996
Automatic temperature control circuit of laser diode and electric/optical signal converting unit using the same
FUJITSU LTD20 citations86
US6295147B1Sep 25, 2001
Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus
FUJITSU LTD17 citations84
US7068876B1Jun 27, 2006
Method and system for optical transmission adopting dispersion compensation
FUJITSU LTD8 citations74
US6496288B2Dec 17, 2002
Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus
FUJITSU LTD10 citations74
US5966938AOct 19, 1999
Peltier control circuit and a peltier device structure
FUJITSU LTD11 citations73
US4803384AFeb 7, 1989
Pulse amplifier suitable for use in the semiconductor laser driving device
FUJITSU LTD11 citations73
US7079771B2Jul 18, 2006
Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus
FUJITSU LTD5 citations63
US4765735AAug 23, 1988
Method of measuring a mode partition characteristics of a laser diode and an apparatus of the same
FUJITSU LTD2 citations63
US7397981B2Jul 8, 2008
Apparatus and method of compensating for wavelength dispersion of optical transmission line
FUJITSU LTD0 citations52
TOAGOSEI CO LTD
3 patentsUS6469108B2Oct 22, 2002
Cationically curable oxetanyl-containing naphthalene and aromatic epoxy or oxetane compound
TOAGOSEI CO LTD16 citations90
US6365760B1Apr 2, 2002
Naphthalene derivative, binaphthalene derivative and biphenyl derivative and cationically curable compound
TOAGOSEI CO LTD5 citations71
US12258493B2Mar 25, 2025
Adhesive composition, film-like adhesive and multilayer film
TOAGOSEI CO LTD0 citations59
TSUDA TAKASHI
3 patentsUS8411138B2Apr 2, 2013
Camera head separated type camera device
TSUDA TAKASHI2 citations58
US9034973B2May 19, 2015
Composition for forming intermediate film for laminated glass, intermediate film for laminated glass and laminated glass
TSUDA TAKASHI0 citations44
US8982198B2Mar 17, 2015
Image signal correction apparatus, imaging apparatus, endoscopic apparatus
TSUDA TAKASHI0 citations39