Inventor

Akihiko Nishiki

Inventor

Tokyo, JP

Overview

1991–2011

Patent span

Physics

Primary field (CPC G)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus33%

H04JMultiplex communication16%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

H04BTransmission9%

G03GElectrography7%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%

H10DInorganic electric semiconductor devices4%

B26FPerforating2%

B42CBookbinding2%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%

PatentTitleYear

7,945,171'Optical pulse time spreader and optical code division multiplexing transmission device'2011 7,680,415'Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver'2010 7,424,226'Optical code division multiplexing communication method and system'2008 7,324,754'Optical code division multiplex transmission method and optical code division multiplex transmission device'2008 7,310,465'Optical pulse time spreading device'2007 7,224,902'Optical encoding method and encoder for optical code division multiplexing'2007 7,174,103'Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus'2007 7,171,078'Method and apparatus for fabricating fiber Bragg gratings'2007 7,127,140'Fiber bragg grating device'2006 7,039,260'Method and apparatus for generating carrier suppressed optical pulse train and grating device'2006 6,782,165'Optical filter'2004 6,665,470'Optical filter'2003 6,456,762'Method of fabricating optical waveguide device'2002 6,442,312'Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask'2002 6,307,617'Initial alignment system for use in manufacturing an optical filter'2001 6,183,918'Alignment method and system for use in manufacturing an optical filter'2001 6,174,648'Optical filter fabrication method using fiber holder with spiral groove and phase mask with spiral diffraction grating'2001 6,038,358'Alignment method and system for use in manufacturing an optical filter'2000 5,935,756'Diazonium salt for thermosensitive recording medium'1999 5,914,207'Alignment method for optical fibers for use in manufacturing an optical filter'1999 5,449,158'Sorter for distributing a plurality of sheets to a plurality of sheet holding bins'1995 5,307,189'Active-matrix-addressed liquid crystal with conductor collecting lines of force emanating from data electrode'1994 5,225,364'Method of fabricating a thin-film transistor matrix for an active matrix display panel'1993 5,223,905'Automatic document conveying device'1993 5,192,065'Sorter with trays rotatable into a stapling position'1993 5,155,540'Automatic duplex recording apparatus having detectors for controlling feeding and refeeding of a recording sheet'1992 5,114,130'Recorded sheet handling apparatus'1992 5,070,379'Thin-film transistor matrix for active matrix display panel with alloy electrodes'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2011Patents assigned to OKI ELECTRIC IND CO LTD (23)· patent assignee history

1991–2011Based in Tokyo, JP· patent location history

1992–1995Patents assigned to KONISHIROKU PHOTO IND (5)· patent assignee history

1992–1995Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OKI ELECTRIC IND CO LTD	23	1991–2011
KONISHIROKU PHOTO IND	5	1992–1995

Locations

Location	Patents	Span
Tokyo, JP	23	1991–2011
Hachioji, JP	5	1992–1995