Inventor

Tohru Takahashi

Inventor

Tokyo, JP

Overview

75→

Patents

1978–2014

Patent span

Physics

Primary field (CPC G)

Patents· 75 as inventor

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

G03Gprimary

G03GElectrography19%

H01JElectric discharge tubes or discharge lamps14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

H04NPictorial communication, e.g. television6%

B60GVehicle suspension arrangements4%

F16FSprings4%

G01SRadio direction-finding3%

G09GArrangements or circuits for control of indicating devices using static means to present variable information3%

G02BOptical elements, systems or apparatus3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

PatentTitleYear

8,827,161'Optimized illumination for an omniscanner'2014 8,342,930'Game execution control method, storage medium, and electronic instrument'2013 8,031,477'System and method for coupling a lens to a printed circuit'2011 7,894,146'Method and structure for mounting an optical lens'2011 7,680,161'Temperature compensated laser focusing optics'2010 7,615,913'Composite electronic component'2009 7,432,632'Composite electronic component'2008 7,383,126'Navigation system and intersection guidance method'2008 7,148,616'Color picture tube'2006 7,135,808'Lead terminal, resonator and train of electronic components'2006 D0525443'Dental chair'2006 7,045,941'Color cathode ray tube'2006 6,979,707'High-permittivity rubber compounds and power cable members'2005 6,919,673'Color cathode ray tube and method of manufacturing the same'2005 6,894,444'Color cathode ray tube and method of manufacturing the same'2005 6,831,400'Color cathode ray tube apparatus having auxiliary magnetic field generator'2004 6,803,713'Color cathode ray tube'2004 6,798,130'Deflection yoke and cathode ray tube apparatus provided with the same'2004 6,710,528'Shadow mask and color cathode ray tube'2004 6,642,160'Loop material of hook-and-loop fastener and manufacturing process thereof'2003 6,470,857'Flow amount control device'2002 6,437,499'Cathode-ray tube'2002 6,057,592'Compound semiconductor epitaxial wafer'2000 5,634,837'Cathode-ray tube and method of manufacturing the same'1997 5,604,395'Color cathode-ray tube having substantially flat face and rear plates opposing each other'1997 5,598,055'Deflection device for use in a color cathode-ray tube'1997 5,536,777'Polyethylene composition for use in insulations and joints of extra-high voltage power cables, and an extra-high voltage power cable and joint therefor employing this polyethylene composition'1996 5,531,719'Vascular catheter with helical space'1996 5,506,467'Cathode-ray tube and method of manufacturing the same'1996 5,506,470'Color cathode ray tube'1996 5,493,662'Apparatus for enabling exchange of data of different lengths between memories of at least two computer systems'1996 5,274,301'Color cathode ray tube panel with shadow mask supports'1993 5,194,359'Developing method for one component developer'1993 5,096,798'Developing method for one-component developer'1992 5,075,855'Automotive suspension control system with road-condition-dependent damping characteristics'1991 5,044,310'Developing apparatus for non-magnetic developer'1991 5,034,890'Automotive suspension control system with road-condition-dependent damping characteristics'1991 5,032,485'Developing method for one-component developer'1991 4,967,359'Automotive suspension control system with road-condition-dependent damping characteristics'1990 4,958,915'Liquid crystal apparatus having light quantity of the backlight in synchronism with writing signals'1990 4,916,357'Shadow mask assembly of a color cathode ray tube'1990 4,913,088'Apparatus for developer transfer under electrical bias'1990 4,906,072'Display apparatus and driving method for providing an uniform potential to the electrodes'1990 4,853,752'Image processing method'1989 4,818,078'Ferroelectric liquid crystal optical modulation device and driving method therefor for gray scale display'1989 4,806,813'Motor'1989 4,796,911'Automotive suspension system with roll-stabilizer having road condition-dependent torsion modulus, and control of torsional modules'1989 4,786,971'Image recording and/or reproducing apparatus'1988 4,770,438'Automotive suspension control system with road-condition-dependent damping characteristics'1988 4,771,389'Control method and unit for controlling a manipulator'1988 4,747,671'Ferroelectric optical modulation device and driving method therefor wherein electrode has delaying function'1988 4,719,490'Color image processing apparatus'1988 4,705,612'Method for plasma-initiated polymerization'1987 4,682,858'Liquid crystal device having reduced-pressure region in communication with ferroelectric liquid crystal'1987 4,649,094'Image formation method and apparatus in which imaging light and conductive toner are applied to opposite surfaces of a photosensitive member'1987 4,639,652'Control system for robot manipulator'1987 4,538,896'Unit for an image formation apparatus and image formation apparatus provided with the same unit'1985 4,511,778'Image fixing device utilizing a high frequency wave'1985 4,493,882'Image formation method and apparatus'1985 4,473,627'Developing method for developer transfer under electrical bias and apparatus therefor'1984 4,456,368'Image formation apparatus having high frequency wave fixing means'1984 4,444,864'Method for effecting development by applying an electric field of bias'1984 4,430,411'Developing method for electrostatic image'1984 4,425,373'Method for image development by application of alternating bias'1984 4,395,476'Developing method for developer transfer under A.C. electrical bias and apparatus therefor'1983 4,391,891'Developing method using (alternating electric field and) a developer of the field-dependent type and an apparatus therefor'1983 4,368,687'Method and apparatus for developing magnetic latent image'1983 4,363,861'Toner transfer development using alternating electric field'1982 4,320,962'Image formation method and apparatus'1982 4,314,017'Developer without carrier powder having an improved triboelectric charging property'1982 4,292,387'Magnetic developing method under A.C. electrical bias and apparatus therefor'1981 4,275,423'Original reading device'1981 4,265,197'Developing method and apparatus using application of first and second alternating bias voltages for latent image end portions and tone gradation, respectively'1981 4,263,481'Automatic telephone answering and recording apparatus'1981 4,123,084'Ski boot toe binding'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2013Based in Tokyo, JP· patent location history

1981–1993Patents assigned to CANON KK (32)· patent assignee history

1987–1991Patents assigned to NISSAN MOTOR (7)· patent assignee history

1987–1991Based in Yokosuka, JP· patent location history

1989–2014Based in Saitama, JP· patent location history

1990–2006Patents assigned to TOSHIBA KK (15)· patent assignee history

1996–1997Based in Kumagaya, JP· patent location history

2002–2006Based in Osato-gun, JP· patent location history

2010–2014Patents assigned to OPTOELECTRONICS CO LTD (4)· patent assignee history

2011–2014Patents assigned to OPTICON INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	32	1981–1993
TOSHIBA KK	15	1990–2006
NISSAN MOTOR	7	1987–1991
OPTOELECTRONICS CO LTD	4	2010–2014
OPTICON INC	3	2011–2014

Locations

Location	Patents	Span
Tokyo, JP	40	1978–2013
Osato-gun, JP	7	2002–2006
Yokosuka, JP	6	1987–1991
Kumagaya, JP	5	1996–1997
Saitama, JP	4	1989–2014