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Inventor

Kiyoshi Nakazawa

Inventor
Fujiidera, JP

Overview

20→
Patents
1987–2015
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein41%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
G02BOptical elements, systems or apparatus10%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding3%
B25HWorkshop equipment, e.g. for marking-out work3%
B26BHand-held cutting tools not otherwise provided for3%
F21VFunctional features or details of lighting devices or systems thereof3%
G01RMeasuring electric variables3%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
9,075,196'Optical fiber jacket remover'20158,960,428'Optical fiber cutter storage case'2015D0657953'Carrying case for an optical fiber cutter'2012D0641600'Optical fiber jacket stripper'20115,532,615'Inspecting method, inspecting apparatus, and defect correcting method'19965,508,591'Active matrix display device'19965,469,025'Fault tolerant active matrix display device'19955,463,230'Active matrix board'19955,446,568'Active matrix display apparatus with plural signal input connections to the supplemental capacitor line'19955,335,102'Liquid crystal display element and method for treating defective pixels therein'19945,280,279'Driving circuit for producing varying signals for a liquid crystal display apparatus'19945,268,678'Matrix-type display device'19935,212,574'Active matrix board having double-layer scan lines and capacity lines with discontinuous lower scan lines and lower capacity lines'19935,191,451'Active matrix display device having drain electrodes of the pair of TFTs being symmetrically formed with respect to the central plane to prevent the flicker due to the different parasitic capacitances'19935,164,851'Active matrix display device having spare switching elements connectable to divisional subpixel electrodes'19925,102,361'Method for the manufacture of active matrix display apparatuses'19925,076,666'Active matrix display apparatus with drain electrode extensions'19915,045,753'Matrix display apparatus with repair wires'19914,930,874'Liquid crystal display device'19904,706,173'Lighting apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to SHARP KK (16)· patent assignee history
1987–1996Based in Fujiidera, JP· patent location history
1994Based in Fujidera, JP· patent location history
2011–2015Patents assigned to SEI OPTIFRONTIER CO LTD (4)· patent assignee history
2011–2015Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history
2011–2015Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to HASEGAWA MASAHIRO (3)· patent assignee history
2012–2015Patents assigned to HOMMA TOSHIHIKO (3)· patent assignee history
2012–2015Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK161987–1996
SEI OPTIFRONTIER CO LTD42011–2015
SUMITOMO ELECTRIC INDUSTRIES42011–2015
HASEGAWA MASAHIRO32012–2015
HOMMA TOSHIHIKO32012–2015
Locations
LocationPatentsSpan
Fujiidera, JP151987–1996
Kanagawa, JP22011–2015
Yokohama, JP22012–2015
Fujidera, JP11994