Inventor

Kazuo Arai

Inventor

Tokai, JP

Overview

45→

Patents

1976–2018

Patent span

Physics

Primary field (CPC G)

Patents· 45 as inventor

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

A61Cprimary

A61CDentistry18%

G11BInformation storage based on relative movement between record carrier and transducer10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

G02BOptical elements, systems or apparatus4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

H10DInorganic electric semiconductor devices4%

A63FCard, board, or roulette games3%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

PatentTitleYear

9,925,023'Implant overdenture system and implant'2018 9,862,274'Display device for vehicle'2018 8,591,233'Denture attachment'2013 8,570,702'Static eliminating sheet, static eliminating system for sheets, and simultaneous design molding method, printing method, and deposition method using static eliminating sheet'2013 8,257,081'Denture attachment, denture and process for producing the same'2012 7,748,982'Denture attachment'2010 7,581,342'Display device'2009 7,331,626'Vehicle body structure reinforced against side impact'2008 7,258,448'Display device'2007 6,932,607'Keeper for a dental magnetic attachment'2005 6,812,102'Semiconductor device manufacturing method'2004 6,764,963'Manufacturing method of semiconductor devices'2004 6,759,684'SiC semiconductor device'2004 6,709,270'Dental magnetic attachment'2004 6,659,771'Denture attachment'2003 6,652,278'Dental bar attachment for implants'2003 6,565,032'Winding method and apparatus of armature'2003 6,302,694'Keeper for dental magnetic attachment and its removal method'2001 6,299,450'Dental magnetic attachment'2001 6,203,325'Dental magnetic attachment and its fixing method including spacer'2001 6,095,949'Health management device'2000 5,915,822'Meter with light transmitting board'1999 5,678,998'Dental magnetic attachment'1997 5,481,112'Method and apparatus for process control of material emitting radiation'1996 5,332,342'Electrode tip dresser and cutter for electrode tip dresser'1994 5,314,249'Surface condition measurement apparatus'1994 5,311,924'Molten metal level control method and device for continuous casting'1994 5,263,520'Air-suction nozzle for compaction of trash bag'1993 5,247,402'Apparatus for high speed searching and reproduction of data recorded in a tape medium'1993 5,044,735'Liquid crystal display device for providing sufficiently high contrast ratio and excellent response time'1991 5,026,509'Tracking control system for information reproducing apparatus'1991 5,013,243'Denture attachment'1991 4,985,786'Apparatus for retrieving information previously recorded on recording tape irrespective of tape speed'1991 4,956,730'Apparatus having a high-speed search capability for reproducing signals recorded on a tape'1990 4,909,605'Liquid crystal display device'1990 4,897,290'Method for manufacturing the substrate for liquid crystal display'1990 4,795,950'Phase controller for motor'1989 4,672,395'Optical fungicide-treated information recording and reproducing medium'1987 4,492,581'Gameboard teaching apparatus'1985 4,372,558'Remote game apparatus'1983 D0249506'Combined automobile radio transceiver and cartridge player'1978 4,105,935'Motor speed control apparatus'1978 4,090,134'Combinated transceiver, cartridge tape player and radio unit'1978 4,059,358'Pressure coating roller assembly'1977 3,971,985'Automatic control system for condition-responsively switching over transceiver and radio or tape recorder audio signals'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2009Based in Tokyo, JP· patent location history

1978–1993Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history

1985–1993Based in Hirakata, JP· patent location history

1987–1991Patents assigned to KONISHIROKU PHOTO IND (4)· patent assignee history

1991–2001Patents assigned to AICHI STEEL WORKS LTD (3)· patent assignee history

1991–2018Based in Aichi, JP· patent location history

1994–1996Based in Chiba, JP· patent location history

1997–2005Based in Tokai, JP· patent location history

2001–2018Patents assigned to AICHI STEEL CORP (9)· patent assignee history

2012–2013Patents assigned to ARAI KAZUO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AICHI STEEL CORP	9	2001–2018
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	8	1978–1993
KONISHIROKU PHOTO IND	4	1987–1991
AICHI STEEL WORKS LTD	3	1991–2001
ARAI KAZUOself	3	2012–2013

Locations

Location	Patents	Span
Tokai, JP	7	1997–2005
Aichi, JP	6	1991–2018
Hirakata, JP	6	1985–1993
Tokyo, JP	4	1977–2009
Chiba, JP	3	1994–1996