Inventor
SAKANO SHINJI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “SAKANO SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
29 patentsUS4983540AJan 8, 1991
Method of manufacturing devices having superlattice structures
HITACHI LTD123 citations98
US5574289ANov 12, 1996
Semiconductor optical integrated device and light receiver using said device
HITACHI LTD60 citations96
US5119393AJun 2, 1992
Semiconductor laser device capable of controlling wavelength shift
HITACHI LTD81 citations96
US5113072AMay 12, 1992
Device having superlattice structure, and method of and apparatus for manufacturing the same
HITACHI LTD48 citations96
US4885753ADec 5, 1989
Semiconductor laser device of variable wavelength type
HITACHI LTD69 citations96
US4894835AJan 16, 1990
Surface emitting type semiconductor laser
HITACHI LTD40 citations93
US4873691AOct 10, 1989
Wavelength-tunable semiconductor laser
HITACHI LTD46 citations93
US4813757AMar 21, 1989
Optical switch including bypass waveguide
HITACHI LTD42 citations93
US4803692AFeb 7, 1989
Semiconductor laser devices
HITACHI LTD28 citations93
US6433925B1Aug 13, 2002
Optical fiber amplifier and optical transmission system using the same
HITACHI LTD41 citations92
US6393182B1May 21, 2002
Optical fiber and method for coupling optical fibers
HITACHI LTD15 citations92
US6233091B1May 15, 2001
Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems
HITACHI LTD20 citations92
US6078422AJun 20, 2000
Optical amplifier unit control methods optical amplifier systems and systems which use the methods and amplifier systems
HITACHI LTD29 citations92
US5177758AJan 5, 1993
Semiconductor laser device with plural active layers and changing optical properties
HITACHI LTD54 citations92
US5173909ADec 22, 1992
Wavelength tunable laser diode
HITACHI LTD37 citations89
US7020401B2Mar 28, 2006
Transponder and wavelength division-multiplexing optical transmission equipment
HITACHI LTD15 citations84
US7302176B2Nov 27, 2007
Optical network
HITACHI LTD12 citations82
US5042049AAug 20, 1991
Semiconductor optical device
HITACHI LTD19 citations82
US6990294B2Jan 24, 2006
Optical network system with quality control function
HITACHI LTD19 citations77
US6611638B2Aug 26, 2003
High performance optical add/drop multiplexer and optical wavelength multiplexing network
HITACHI LTD8 citations74
US6297902B1Oct 2, 2001
Light amplification medium control method, light amplification apparatus and system using the same
HITACHI LTD10 citations74
US6262835B1Jul 17, 2001
Optical amplifier unit control methods, optical amplifier systems and systems which use the methods and amplifier systems
HITACHI LTD11 citations74
US6173095B1Jan 9, 2001
Optical fiber and method for coupling optical fibers
HITACHI LTD11 citations74
US5930421AJul 27, 1999
Optical fiber and method for coupling optical fibers
HITACHI LTD9 citations74
US4900134AFeb 13, 1990
Optical device
HITACHI LTD16 citations74
US4887877ADec 19, 1989
Optical devices and optical integrated circuits
HITACHI LTD19 citations74
US6532103B1Mar 11, 2003
Optical fiber amplifier and optical transmission system using the same
HITACHI LTD11 citations73
US5170404ADec 8, 1992
Semiconductor laser device suitable for optical communications systems drive
HITACHI LTD5 citations63
US9423355B2Aug 23, 2016
Plural camera images capturing and processing apparatus, and composite imaging method
HITACHI LTD1 citations51
TOKYO ELECTRON LTD
6 patentsUS6586262B1Jul 1, 2003
Etching end-point detecting method
TOKYO ELECTRON LTD22 citations93
US7341644B2Mar 11, 2008
Method for predicting consumption of consumable part, method for predicting deposited-film thickness, and plasma processor
TOKYO ELECTRON LTD9 citations82
US7689028B2Mar 30, 2010
Method and apparatus for evaluating processing apparatus status and predicting processing result
TOKYO ELECTRON LTD7 citations73
US7054786B2May 30, 2006
Operation monitoring method for treatment apparatus
TOKYO ELECTRON LTD10 citations71
US7844357B2Nov 30, 2010
Controlling device for substrate processing apparatus and method therefor
TOKYO ELECTRON LTD2 citations63
US7774082B2Aug 10, 2010
Substrate processing method and storage medium having program stored therein
TOKYO ELECTRON LTD6 citations63