Inventor
SEINO MINORU
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SEINO MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
19 patentsUS5074631ADec 24, 1991
Optical modulator
FUJITSU LTD130 citations97
US5408544AApr 18, 1995
Optical modulator for producing a controllable chirp
FUJITSU LTD71 citations96
US5680497AOct 21, 1997
Optical waveguide device
FUJITSU LTD43 citations95
US5404412AApr 4, 1995
Optical waveguide device
FUJITSU LTD80 citations95
US4948219AAug 14, 1990
Method of connecting optical fibers and connection aids and fiber holders employed therewith, and optical waveguide modules employing same
FUJITSU LTD66 citations95
US6606424B2Aug 12, 2003
Apparatus and method for optical modulation and demodulation
FUJITSU LTD20 citations93
US6055349AApr 25, 2000
Optical waveguide device and manufacturing method therefor
FUJITSU LTD34 citations93
US6678428B2Jan 13, 2004
Optical modulator
FUJITSU LTD22 citations92
US6243516B1Jun 5, 2001
Merging optical waveguides having branch angle within a specific range
FUJITSU LTD50 citations92
US5995685ANov 30, 1999
Optical modulator and an optical modulating method
FUJITSU LTD30 citations92
US5214724AMay 25, 1993
Optical waveguide device with suppressed dc drift
FUJITSU LTD51 citations92
US6400881B1Jun 4, 2002
Optical device having thin film formed over optical waveguide
FUJITSU LTD14 citations84
US6337931B1Jan 8, 2002
Effective optical path length compensable optical device
FUJITSU LTD14 citations84
US6999223B2Feb 14, 2006
Optical modulator
FUJITSU LTD6 citations74
US5949925ASep 7, 1999
Method, device, and system for optical modulation in wavelength division multiplexing
FUJITSU LTD11 citations74
US4730884AMar 15, 1988
Bipolar voltage controlled optical switch using intersecting waveguides
FUJITSU LTD14 citations72
US7116907B1Oct 3, 2006
Acousto-optical tunable filters cascaded together
FUJITSU LTD4 citations63
US6370308B1Apr 9, 2002
Acousto-optical device
FUJITSU LTD4 citations63
US6104847AAug 15, 2000
Optical device having an optical waveguide structure
FUJITSU LTD5 citations63
HITACHI KOKI KK
10 patentsUS5206784AApr 27, 1993
Charger for electrophotography having a grid assembly
HITACHI KOKI KK19 citations79
US6259886B1Jul 10, 2001
Electrophotographic printing apparatus
HITACHI KOKI KK8 citations74
US5006704AApr 9, 1991
Optical scanner and method for generating and detecting a composite dot on a scanning medium
HITACHI KOKI KK15 citations74
US5937261AAug 10, 1999
Image recording apparatus, and sheet conveying method thereof
HITACHI KOKI KK9 citations73
US5008716AApr 16, 1991
Paper cooling apparatus for an electrophotographic printer
HITACHI KOKI KK16 citations73
US4910555AMar 20, 1990
Electrophotographic device with controlled exposed potential
HITACHI KOKI KK8 citations73
US4572685AFeb 25, 1986
Dot printer
HITACHI KOKI KK8 citations73
US6640078B2Oct 28, 2003
Electrophotographic apparatus having a paper holding member
HITACHI KOKI KK5 citations63
US4421430ADec 20, 1983
Dot printer
HITACHI KOKI KK3 citations62
US5161046ANov 3, 1992
Beam position control apparatus
HITACHI KOKI KK4 citations61
KONISHIROKU PHOTO IND
4 patentsUS5106724AApr 21, 1992
Developer for light-sensitive lithographic printing plate capable of processing commonly the negative-type and the positive-type and developer composition for light-sensitive material
KONISHIROKU PHOTO IND25 citations91
US4452880AJun 5, 1984
Process for developing positive photosensitive lithographic printing plate
KONISHIROKU PHOTO IND19 citations82
US5089839AFeb 18, 1992
Method of processing pre-sensitized lithographic printing plate and apparatus therefor
KONISHIROKU PHOTO IND6 citations72
US4963473AOct 16, 1990
Methods of processing pre-sensitized lithographic printing plate and apparatus therefor
KONISHIROKU PHOTO IND4 citations61