Inventor

Yutaka Yamaguchi

Inventor

Utsunomiya, JP

Overview

1981–2020

Patent span

Physics

Primary field (CPC G)

Patents· 89 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification14%

G02BOptical elements, systems or apparatus9%

B29CShaping or joining of plastics8%

H04NPictorial communication, e.g. television5%

H05KPrinted circuits5%

B60CVehicle tyres5%

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

G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

A44BButtons, pins, buckles, slide fasteners, or the like3%

PatentTitleYear

10,712,636Polarization acquisition apparatus, image capturing apparatus and image capturing system2020 10,606,148Optical low-pass filter and imaging apparatus2020 10,386,649Optical apparatus and image pickup apparatus2019 10,317,589Optical low-pass filter and image pickup apparatus2019 10,139,548Optical apparatus and image pickup apparatus2018 10,073,327Optical apparatus and image pickup apparatus2018 10,035,710Method for producing lithium carbonate2018 9,709,705'Anti-reflection film and optical element having the same'2017 9,302,450'Optical element, optical system, and optical apparatus'2016 9,297,943'Absorptive wire-grid polarizer and optical apparatus'2016 9,235,111'Projection display apparatus'2016 9,152,034'Image display apparatus for displaying three-dimensional image and having a phase difference plate'2015 8,955,977'Projection-type image display apparatus'2015 8,920,763'Method for producing lithium carbonate'2014 8,602,924'Baseball or softball bat'2013 8,604,410'Phase plate having fine periodic structure smaller than visible light wavelength and projection image display apparatus'2013 8,449,042'Adhesive wheel balance weight and process for producing the same'2013 8,369,015'Optical element and optical apparatus'2013 8,339,708'Optical element and optical apparatus'2012 8,334,938'Laminated thin film, phase plate, and reflective liquid crystal display apparatus'2012 8,243,368'Optical element and optical apparatus'2012 8,158,694'Single component dental composition containing silane coupling agent and acidic group containing polymerizable monomer'2012 8,149,360'Projection image display apparatus'2012 8,029,613'One-pack type dental adhesive composition'2011 7,776,936'One-pack type dental adhesive composition'2010 7,585,235'Baseball or softball bat'2009 7,421,309'Control device of injection molding machine'2008 7,407,193'Seat belt buckle'2008 7,346,425'Control device for use in injection molding machine'2008 7,267,410'Balance weight and balance-correcting structure for spoke wheel'2007 7,245,361'Method for evaluating refractive index homogeneity of optical member'2007 7,117,050'Management supporting apparatus, management supporting system, management supporting method, management supporting program, and a recording medium with the program recorded therein'2006 7,008,574'Method for controlling injection of electric injection molding machine'2006 6,874,856'Wheel balance weight and process for manufacturing the same'2005 6,755,635'Apparatus for protecting mold in injection molding machine'2004 6,695,995'Apparatus and method for setting position of movable mold of motor-driven injection molding machine'2004 6,673,282'Method for protecting dies in an injection molding machine'2004 6,669,459'Electric injection molding machine for controlling injection of electric injection molding machine'2003 6,669,877'Malfunction-detecting method in injection molding machines'2003 6,659,567'Wheel balance weight and process for manufacturing the same'2003 6,620,510'Epoxy resin composition, prepreg, and roll made of resin reinforced with reinforcing fibers'2003 6,616,871'Filling step control method of injection molding machine'2003 6,592,188'Wheel balance weight'2003 6,457,964'Position control apparatus'2002 6,433,047'Polyamide composition'2002 6,427,297'Buckle with smooth tongue insertion mechanism'2002 6,385,823'Buckle with noise prevention mechanism'2002 6,381,815'Buckle with non-contact switch'2002 6,370,742'Buckle with movement prevention device'2002 6,343,920'Temperature control apparatus for injection molding machine'2002 6,332,355'Method of estimating a life of ball screw included in electric injection molding machine and life estimating system'2001 6,329,893'Buckle with non-contact buckle switch'2001 6,325,954'Method of controlling electric injection unit of injection molding machine'2001 6,231,633'Granular coated fertilizer and method for producing the same'2001 6,144,182'Motor control method for injection molding machine and motor controller for carrying out the same'2000 6,113,728'Process for connecting circuits and adhesive film used therefor'2000 6,035,500'Buckle'2000 5,974,638'Seat belt buckle'1999 5,930,881'Method of adjusting vehicle wheel alignment'1999 5,896,290'Man-machine interface system for a process controller'1999 5,843,251'Process for connecting circuits and adhesive film used therefor'1998 5,781,264'Liquid crystal display device'1998 5,780,577'Polyamide resin composition'1998 5,772,144'Seat belt retractor'1998 5,635,553'Resin composition with improved flowability and reduced gel formation'1997 5,513,880'Slip anchor for seat belt device'1996 5,373,886'Pair of pneumatic radial front and rear tires having specified auxiliary belt structures'1994 5,309,970'Pneumatic safety tires'1994 5,293,918'Pneumatic radial tires'1994 5,277,238'Pneumatic radial tires for passenger cars'1994 5,270,577'Input module'1993 5,247,242'Output module'1993 5,228,933'High performance pneumatic radial tires'1993 5,155,906'Process for repairing circuit connections'1992 5,120,665'Method of using an anisotropically electroconductive adhesive having pressure-deformable electroconductive particles to electrically connect circuits'1992 5,001,542'Composition for circuit connection, method for connection using the same, and connected structure of semiconductor chips'1991 4,835,968'Hydraulic circuit in an industrial vehicle'1989 4,800,155'Human monoclonal antibody to lung carcinoma and hybridoma producing the same'1989 4,774,911'Cooling fan shroud mounted on an engine vehicle'1988 4,751,136'Substrate for high-frequency circuit and process for making the same'1988 4,740,657'Anisotropic-electroconductive adhesive composition, method for connecting circuits using the same, and connected circuit structure thus obtained'1988 4,731,282'Anisotropic-electroconductive adhesive film'1988 D0293664'Automobile tire'1988 4,665,957'Liquid filling device'1987 4,518,023'Pneumatic tire'1985 4,436,131'Pneumatic radial tires'1984 4,387,759'Pneumatic radial tire'1983 4,283,890'Transportable bed for industrial equipment'1981 4,264,469'Cellular thermoplastic resins with mixed blowing agents'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2000Patents assigned to HITACHI CHEMICAL CO LTD (8)· patent assignee history

1981–2000Based in Yuki, JP· patent location history

1988–2018Based in Tokyo, JP· patent location history

1993–2008Patents assigned to TOSHIBA MACHINE CO LTD (18)· patent assignee history

1996–2008Patents assigned to TAKATA CORP (10)· patent assignee history

1999–2006Based in Shizuoka, JP· patent location history

2000–2008Based in Tagata-gun, JP· patent location history

2012–2020Patents assigned to CANON KK (18)· patent assignee history

2012–2018Patents assigned to YAMAGUCHI YUTAKA (13)· patent assignee history

2012–2020Based in Utsunomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	18	2012–2020
TOSHIBA MACHINE CO LTD	18	1993–2008
YAMAGUCHI YUTAKAself	13	2012–2018
TAKATA CORP	10	1996–2008
HITACHI CHEMICAL CO LTD	8	1981–2000

Locations

Location	Patents	Span
Utsunomiya, JP	15	2012–2020
Tokyo, JP	14	1988–2018
Shizuoka, JP	9	1999–2006
Yuki, JP	8	1981–2000
Tagata-gun, JP	7	2000–2008