Inventor
SASAKI SHINYA
JP95 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI SHINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
29 patentsUS5515196AMay 7, 1996
Optical intensity and phase modulators in an optical transmitter apparatus
HITACHI LTD158 citations98
US5500756AMar 19, 1996
Optical fiber transmission system and supervision method of the same
HITACHI LTD183 citations97
US6532320B1Mar 11, 2003
Equipments, transpondor and methods for optical fiber transmission
HITACHI LTD55 citations96
US5555477ASep 10, 1996
Optical transmission system constructing method and system
HITACHI LTD48 citations96
US5396361AMar 7, 1995
Frequency separation stabilization method for optical heterodyne or optical homodyne communication
HITACHI LTD59 citations96
US5323258AJun 21, 1994
Homodyne optical receiver equipment
HITACHI LTD84 citations96
US5305134AApr 19, 1994
Optical frequency division multiplexing transmitter and optical frequency division multiplexing transmission apparatus
HITACHI LTD57 citations96
US6700910B1Mar 2, 2004
Wavelength tunable laser and optical device
HITACHI LTD54 citations94
US5606445AFeb 25, 1997
Optical transmission system
HITACHI LTD35 citations93
US5274490ADec 28, 1993
Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
HITACHI LTD30 citations93
US5023950AJun 11, 1991
Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
HITACHI LTD22 citations93
US4812776AMar 14, 1989
System for amplifying and shaping optical pulses
HITACHI LTD40 citations93
US6266169B1Jul 24, 2001
Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signal
HITACHI LTD21 citations92
US6005699ADec 21, 1999
Optical wavelength multiplexing system
HITACHI LTD21 citations92
US5812289ASep 22, 1998
Optical repeater and optical transmitter
HITACHI LTD23 citations92
US5408349AApr 18, 1995
Optical frequency division multiplexing transmission system
HITACHI LTD54 citations92
US5144467ASep 1, 1992
Optical tuning method and apparatus suitable for selective reception of optical frequency division multiplex signals
HITACHI LTD26 citations92
US5113524AMay 12, 1992
Quantum state control apparatus, optical receiver and optical communication system
HITACHI LTD40 citations92
US8374504B2Feb 12, 2013
Optical communication system
HITACHI LTD8 citations84
US6850663B2Feb 1, 2005
Equipments including transponder for optical fiber transmission
HITACHI LTD15 citations84
US5861972AJan 19, 1999
Optical multiplex transmission equipment and method
HITACHI LTD12 citations82
US5142402AAug 25, 1992
Polarization diversity optical receiving apparatus and method
HITACHI LTD20 citations82
US7596322B2Sep 29, 2009
Cryptographic-key-generation communication system
HITACHI LTD16 citations79
US6728489B2Apr 27, 2004
Optical transmission system constructing method and system
HITACHI LTD6 citations74
US6018405AJan 25, 2000
Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signal
HITACHI LTD7 citations74
US5995278ANov 30, 1999
Optical transmission system
HITACHI LTD9 citations74
US5880876AMar 9, 1999
Optical transmission system
HITACHI LTD9 citations74
US5875046AFeb 23, 1999
Optical repeater and optical transmitter
HITACHI LTD9 citations74
US5739932AApr 14, 1998
Optical transmission system constructing method and system
HITACHI LTD8 citations74
FUJITSU LTD
4 patentsUS6810160B2Oct 26, 2004
Optical wiring substrate, method of manufacturing optical wiring substrate and multilayer optical wiring
FUJITSU LTD66 citations96
US7068871B2Jun 27, 2006
Optical wiring substrate, method of manufacturing optical wiring substrate and multilayer optical wiring
FUJITSU LTD24 citations93
US6922508B2Jul 26, 2005
Optical switching apparatus with adiabatic coupling to optical fiber
FUJITSU LTD23 citations92
US9465164B2Oct 11, 2016
Electronic apparatus, method for manufacturing electronic apparatus, and electronic device
FUJITSU LTD4 citations73
NACHI FUJIKOSHI CORP
3 patentsKOKUSAI ELECTRIC CO LTD
2 patentsSAKAI MASANORI
2 patentsMATSUSHITA ELECTRIC WORKS LTD
1 patentHITACHI COMM TECH LTD
1 patentMITUTOYO CORP
1 patentSASAKI SHINYA
1 patentUNIV TOKYO
1 patentMANDAI KOHEI
1 patentAGENCY IND SCIENCE TECHN
1 patentOHKOSHI SHIN-ICHI
1 patentSEKINE KENRO
1 patentKAWASAKI HEAVY IND LTD
1 patentShowing the top 50 of 95 patents by PatentIndex Score.