Inventor
Atsushi Okuyama
Inventor
Tokorozawa, JP
Overview
Patents· 85 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television25%
G02BOptical elements, systems or apparatus22%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
G11BInformation storage based on relative movement between record carrier and transducer6%
H01LSemiconductor devices6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters1%
PatentTitleYear
11,121,164Semiconductor device and method for production of semiconductor device202111,114,166Semiconductor memory device202110,840,398Photoelectric conversion element, method for manufacturing same, and imaging apparatus202010,777,597Imaging device202010,615,298Photoelectric conversion element, method for manufacturing same, and imaging apparatus202010,541,265Semiconductor device and method for production of semiconductor device202010,389,282DC power supply unit and air conditioner using same20199,941,323Semiconductor device and method for production of semiconductor device20189,679,937'Semiconductor device and method for production of semiconductor device'20179,269,680'Semiconductor device with a connection pad in a substrate and method for production thereof'20169,057,812'Lens holder driving device capable of easily mounting upper elastic member to outer yoke'20158,957,980'Image pickup apparatus'20158,742,585'Semiconductor device having a plurality of pads of low diffusible material formed in a substrate'20148,513,140'Post-dry etching cleaning liquid composition and process for fabricating semiconductor device'20138,368,222'Semiconductor device with pad with less diffusible contacting surface and method for production of the semiconductor device'20138,109,637'Wavelength-selective polarization conversion element for generating two light components having polarization directions and wavelength regions different from each other, illumination optical system, and image projection apparatus including the element'20127,976,166'Optical system for image projection and image projection apparatus including a polarization beam splitting surface'20117,935,920'Illumination optical system including luminous flux conversion system'20117,682,463'Resist stripping method and resist stripping apparatus'20107,597,446'Illumination optical system and image projection apparatus'20097,576,943'Magnetic disk drive with positioning control system'20097,472,995'Wavelength-selective polarization conversion element, projection displaying optical system and image projection apparatus'20097,474,494'Magnetic disk device with positioning control'20097,466,368'Image projection apparatus and adjusting method used for the same'20087,394,609'Magnetic disk drive with positioning accuracy'20087,258,445'Polarization splitter, optical unit and image projector'20077,222,967'Image display optical system and projection type image display apparatus'20077,213,924'Image projection apparatus and image projection system'20077,196,743'Image display apparatus having particular phase difference'20077,156,520'Color separating optical system, image display optical system, and projection image display apparatus'20077,137,704'Color splitting/combining optical system and image projecting apparatus'20067,073,037'System for controlling host access to a storage device based on physical characteristics of the storage device'20067,064,773'Display apparatus'20067,059,723'Illumination optical system, image display optical system, projection type image display apparatus, and image display system'20067,044,608'Display apparatus'20067,040,761'Image display apparatus, image display system, and illumination system'20067,002,641'Projection display apparatus with quarter phase difference plate and phase compensation element'20066,991,337'Image display apparatus'20066,992,833'Color combining optical system, projection-type display optical system, projection-type image display apparatus, and image display system'20066,991,334'Polarization beam splitting optical system'20066,942,345'Projection type image display apparatus and image display system'20056,942,347'Color combining optical system, image projection optical system, and projection type image display apparatus'20056,898,039'Positioning control device for two-stage actuator'20056,890,079'Method of manufacturing different types of image display apparatuses and image display apparatus manufactured by the method'20056,863,419'Illumination optical system, image display optical system, projection type image display apparatus, and image display system'2005D0500026'Optical pickup'20046,831,706'Projection image display apparatus'20046,814,442'Image display apparatus and optical system'20046,805,452'Display apparatus'20046,783,244'Display apparatus'20046,785,204'Actuator control device'20046,707,633'Magnetic disk device including coarse and micro actuators'20046,687,072'Disk apparatus and information processing system discriminative plural external electronic appliances'20046,646,809'Image display apparatus, image display system, and image display element'20036,644,812'Display apparatus and projection type display apparatus'20036,637,892'Projection apparatus'20036,637,889'Image display apparatus'20036,634,755'Illuminating device and projector'20036,611,381'Display element, polarizing plate, and display apparatus and projecting apparatus using the display element and polarizing plate'20036,590,713'Image observation apparatus and image observation system'20036,552,854'Image display apparatus and optical system'20036,513,934'Projection apparatus and observation apparatus'20036,490,095'Image display apparatus'20026,464,362'Illuminating apparatus'20026,457,832'Illumination apparatus and projection apparatus compensating for transverse aberration at an illumination surface'20026,452,727'Projection lens'20026,431,727'Illumination device for selectively compressing light from light sources and projection type display apparatus'20026,406,149'Illuminating apparatus and projecting apparatus'20026,396,225'DC current brushless motor driving apparatus and air conditioner with using thereof'20026,351,332'Optical low-pass filter and optical apparatus having the same'20026,327,092'Cross dichroic prism'20016,310,728'Image viewing apparatus'20016,292,301'Optical viewing system for use in head-mounted display'20016,273,568'Projection apparatus'20016,257,726'Illuminating apparatus and projecting apparatus'20016,246,526'Light irradiating apparatus and image displaying apparatus'20016,212,013'Projection type display apparatus'20016,144,493'Optical low-pass filter and optical apparatus having the same'20006,031,587'Optical member, optical instrument including the same, and method of manufacturing the optical member'20005,815,741'Image observing apparatus and imaging apparatus utilizing the image observing apparatus'19985,706,136'Optical system, and image observing apparatus and image pickup apparatus using it'19985,689,736'Image observation apparatus'19975,648,871'Projection apparatus utilizing an anamorphic optical system'19975,633,846'Positioning device for optical disc apparatus'19975,341,243'Zoom lens of rear focus type'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2015Patents assigned to CANON KK (58)· patent assignee history
1994–2019Based in Tokyo, JP· patent location history
1997–2005Patents assigned to HITACHI LTD (6)· patent assignee history
1997–2015Based in Tokorozawa, JP· patent location history
2003–2007Based in Saitama, JP· patent location history
2004–2006Based in Chiyoda-ku, JP· patent location history
2006–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (4)· patent assignee history
2008–2021Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to OKUYAMA ATSUSHI (4)· patent assignee history
2013–2021Patents assigned to SONY CORP (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 58 | 1994–2015 |
| SONY CORP | 10 | 2013–2021 |
| HITACHI LTD | 6 | 1997–2005 |
| HITACHI GLOBAL STORAGE TECH | 4 | 2006–2009 |
| OKUYAMA ATSUSHIself | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 34 | 1997–2015 |
| Saitama, JP | 21 | 2003–2007 |
| Kanagawa, JP | 14 | 2008–2021 |
| Tokyo, JP | 6 | 1994–2019 |
| Chiyoda-ku, JP | 5 | 2004–2006 |