LexDanaLexDanabeta
Inventor

Naomasa Takahashi

Inventor
Chiba, JP

Overview

34→
Patents
1990–2021
Patent span
Physics
Primary field (CPC G)

Patents· 34 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television31%
G09GArrangements or circuits for control of indicating devices using static means to present variable information15%
G06FElectric digital data processing11%
G02BOptical elements, systems or apparatus10%
G11BInformation storage based on relative movement between record carrier and transducer7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G01CMeasuring distances, levels or bearings3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
B64UUnmanned aerial vehicles [uav]1%
E04GScaffolding1%
PatentTitleYear
10,914,596Map information update system and map information update server202110,523,891Projection system and apparatus unit to implement new use form of projector201910,423,059Image display apparatus201910,185,389Posture measuring device, posture measuring method, image processing device, image processing method, and image display system201910,108,018Image display apparatus for displaying an image captured by a mobile apparatus20189,918,058'Information processing to allow projector units to project images in cooperation'20189,813,697'Head mount display and display control method'20179,791,933'Projection type image display apparatus, image projecting method, and computer program'20179,794,537'Image processing method and image projection device'20179,723,280'Projection type image display device, image processing device and image processing method, and computer program'20179,316,831'Head mounted display and display control method'20169,197,840'Head mount display and method for controlling head mount display'20158,724,527'Remote-control system, remote controller, remote-control method, information-processing device, information-processing method, and program'20148,441,687'Image processing apparatus, image processing method, and program'20138,436,921'Picture signal processing system, playback apparatus and display apparatus, and picture signal processing method'20138,373,697'Gradation converting device, image processing apparatus, image processing method, and computer program'20138,363,167'Image processing apparatus, image processing method, and communication system'20138,295,636'Gradation converting device, gradation converting method, and computer program'20128,237,741'Image processing apparatus, image processing method, and image processing program'20128,095,864'Electronic apparatus, page display method, program, and storage medium'20126,725,286'Information-processing apparatus, information-processing method, memory card and program storage medium'20046,308,329'Push type data display method, receiving apparatus, and display device'20016,305,018'Electronic content guide system and electronic content guide displaying method'20016,181,326'Information display control unit and the method and remote input unit and the method'20016,075,570'Electronic program guide system and electronic guide displaying method'20006,037,998'Electronic program guide system and electronic program guide displaying method'20005,978,039'Image control method and image control apparatus capable of compensating for disturbed TV image'19995,966,354'Drive apparatus for objective lens'19995,808,694'Electronic program guide system and electronic program guide displaying method'19985,721,723'Objective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lenses'19985,696,565'Demagnetizing device is automatically energized after counting a set number of power-on operations of a cathode ray tube'19975,610,885'Linear drive mechanism for use in an optical disk device'19975,187,702'Apparatus for moving an optical system'19934,960,321'Optical apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1999Patents assigned to TOSHIBA KK (5)· patent assignee history
1990Based in Kawasaki, JP· patent location history
1993–1997Based in Yokohama, JP· patent location history
1997–2019Patents assigned to SONY CORP (27)· patent assignee history
1997–2019Based in Chiba, JP· patent location history
1998–2001Based in Tokyo, JP· patent location history
2012–2017Patents assigned to TAKAHASHI NAOMASA (9)· patent assignee history
2012–2013Patents assigned to HIRAI JUN (5)· patent assignee history
2012–2013Patents assigned to TSUKAMOTO MAKOTO (4)· patent assignee history
2021Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP271997–2019
TAKAHASHI NAOMASAself92012–2017
HIRAI JUN52012–2013
TOSHIBA KK51990–1999
TSUKAMOTO MAKOTO42012–2013
Locations
LocationPatentsSpan
Chiba, JP271997–2019
Tokyo, JP31998–2001
Yokohama, JP21993–1997
Shizuoka, JP12021
Kawasaki, JP11990