Inventor

Toru Fujii

Inventor

Tokyo, JP

Overview

1976–2021

Patent span

Physics

Primary field (CPC G)

Patents· 92 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus12%

G11BInformation storage based on relative movement between record carrier and transducer12%

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

Y10TTechnical subjects covered by former us classification5%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers5%

G05BControl or regulating systems in general4%

Y02PClimate change mitigation technologies in the production or processing of goods4%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

G01QScanning-probe techniques or apparatus2%

PatentTitleYear

10,985,293Highly efficient gallium nitride based light emitting diodes via surface roughening2021 10,639,759Load state diagnosis device and load state diagnosis method for servomotor2020 10,591,824Illumination optical device, illumination method, and exposure method and device2020 10,554,035Arc detector and arc detection method2020 9,823,180'Method for measuring resistance of conveyor belt to getting over support roller, and device therefor'2017 9,709,820'Fresnel lens and optical device'2017 9,315,608'Conjugated diene polymer rubber, and conjugated diene polymer rubber composition'2016 9,310,604'Illumination optical device, illumination method, and exposure method and device'2016 9,188,177'Brake disc'2015 8,873,793'Loudspeaker resin molding component and loudspeaker using the same and electronic device and mobile apparatus using the loudspeaker'2014 8,855,357'Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method'2014 8,774,449'Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker'2014 8,428,283'Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker'2013 8,343,313'Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same'2013 8,304,488'Conjugated diene polymer, conjugated diene polymer composition, and method for producing conjugated diene polymer'2012 8,199,964'Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same'2012 8,144,912'Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker'2012 8,124,704'Conjugated diene polymer, conjugated diene polymer composition, and process for producing conjugated diene polymer'2012 RE042923'Piezoelectric vibration angular velocity meter and camera using the same'2011 7,903,535'Optical information recording medium and manufacturing method of the same'2011 7,859,982'Optical information recording medium and mold apparatus for manufacturing the same'2010 7,854,377'Data collection system'2010 7,698,011'Operating condition monitoring apparatus, method for monitoring operating condition and program'2010 7,667,829'Optical property measurement apparatus and optical property measurement method, exposure apparatus and exposure method, and device manufacturing method'2010 7,640,126'Combine-information processing apparatus, method for processing combine-information, program, and recording medium'2009 7,519,446'Manufacture condition setting system, manufacture condition setting method, control program, and computer-readable record medium recording control program therein'2009 7,501,171'Optical information recording medium'2009 7,498,070'Optical information recording medium'2009 7,324,862'Quality control apparatus and control method of the same, and recording medium recorded with quality control program'2008 7,305,313'Quality variation display device, quality variation display method, quality variation display program, and storage medium storing such program'2007 7,270,864'Optical information recording medium'2007 7,203,561'Information processing device, operation state management device, information processing method, program, and computer-readable storage medium storing program'2007 7,194,751'Optical information medium'2007 7,176,475'Adjusting apparatus, production processing system, and method of controlling adjusting apparatus'2007 7,161,386'Signal-level converter'2007 7,081,022'Electrical apparatus having card insertion slot and combined printing apparatus having card insertion slot'2006 6,959,646'Wallpaper manufacturing method, wallpaper manufacturing apparatus, and program for causing computer to function as wallpaper manufacturing apparatus'2005 6,933,749'Signal-level converter'2005 6,782,986'Sheet counting apparatus, sheet counting method and transaction apparatus'2004 6,728,198'Optical information medium and recording method therefor'2004 6,724,464'Position detecting method and unit, optical characteristic measuring method and unit, exposure apparatus, and device manufacturing method'2004 6,721,265'High-density optical information recording medium and a substrate and a stamper for the manufacture thereof'2004 6,715,423'Wallpaper manufacturing method, wallpaper manufacturing apparatus, and program for causing computer to function as wallpaper manufacturing apparatus'2004 6,714,051'Logic circuitry-implemented bus buffer'2004 6,711,118'Optical information recording medium for recording optically reproducible signals thereon through the use of a recording laser beam and method for recording optical information thereon'2004 6,647,805'Transit-time difference type ultrasonic flowmeter'2003 6,622,572'Ultrasonic flowmeter for controlling the gain of an amplifier for amplifying received signals'2003 6,593,792'Buffer circuit block and design method of semiconductor integrated circuit by using the same'2003 6,504,815'Optical information medium, stamper for manufacturing transparent substrate therefor and recording method therefor'2003 6,493,312'Optical information medium'2002 6,480,450'Method and apparatus for recording optical information by varying recording pulse width'2002 6,452,899'Optical information medium and recording method therefor'2002 6,445,676'Optical information medium'2002 6,291,045'Optical information recording medium'2001 6,218,072'Optical information recording medium'2001 6,091,277'Input buffer circuit for semiconductor IC circuit'2000 5,976,658'Optical information recording medium'1999 5,956,123'Apparatus for observing cornea for transplantation'1999 5,895,697'Optical information medium'1999 5,794,080'Piezoelectric vibration angular velocity meter and camera using the same'1998 5,765,046'Piezoelectric vibration angular velocity meter and camera using the same'1998 5,723,775'Atomic force microscope under high speed feedback control'1998 5,689,063'Atomic force microscope using cantilever attached to optical microscope'1997 5,649,787'Pier unit and floating pier including such a pier'1997 5,537,863'Scanning probe microscope having a cantilever used therein'1996 5,520,232'Puncture proof tire'1996 5,509,676'Shock absorber for a bicycle front fork'1996 5,508,517'Scanning probe type microscope apparatus'1996 5,427,579'Control system for belt-type continuously variable transmission'1995 5,318,882'Optical recording medium containing a light stabilizer comprised of aryl nitrogen compound'1994 5,316,006'Electronic blood pressure meter'1994 5,080,946'Optical information recording medium and recording method'1992 4,825,116'Transmitter-receiver of ultrasonic distance measuring device'1989 4,715,693'Vari-focal photographic lens system of rear lens group exchange type'1987 4,708,442'Varifocal lens system'1987 4,668,054'Vari-focal photographic lens system of lens group exchange type'1987 4,653,870'Compact vari-focal photographic lens system'1987 4,635,125'Real-time light-measuring system for single-lens reflex cameras'1987 4,618,234'Finder optical system for cameras'1986 4,529,286'Attachment lens system for single-lens reflex cameras'1985 4,461,547'Lens hood with an eccentrically disposed light intercepting body for a camera'1984 4,436,382'Retrofocus type super wide angle lens system'1984 4,367,927'Zoom lens system'1983 4,315,669'Wide-angle zoom lens system'1982 4,291,952'Gauss type lens system'1981 4,264,137'Compact retrofocus type lens system'1981 4,212,517'Photographic lens system'1980 4,188,091'Cata-dioptric objective lens system'1980 4,153,338'Wide-angle zoom lens system'1979 4,152,050'Shift lens system'1979 4,106,854'Photographic lens system having a large aperture ratio'1978 3,997,248'Large aperture telephoto lens system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to OLYMPUS OPTICAL CO (19)· patent assignee history

1978–1987Based in Hino, JP· patent location history

1987–2007Based in Tokyo, JP· patent location history

1992–2011Patents assigned to TAIYO YUDEN KK (19)· patent assignee history

1994–2020Patents assigned to OMRON TATEISI ELECTRONICS CO (12)· patent assignee history

1994–2020Based in Kyoto, JP· patent location history

1996–2020Patents assigned to NIKON CORP (11)· patent assignee history

2010–2020Based in Hiki-gun, JP· patent location history

2011–2016Patents assigned to FUJII TORU (11)· patent assignee history

2012–2014Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	19	1976–1987
TAIYO YUDEN KK	19	1992–2011
OMRON TATEISI ELECTRONICS CO	12	1994–2020
FUJII TORUself	11	2011–2016
NIKON CORP	11	1996–2020

Locations

Location	Patents	Span
Tokyo, JP	28	1987–2007
Kyoto, JP	16	1994–2020
Hino, JP	14	1978–1987
Shiga, JP	7	2012–2014
Hiki-gun, JP	4	2010–2020