Suguru Sangu

Inventor

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Work History

Patent OwnerApplications FiledYear
RICOH COMPANY, LTD.
3
2
1
2006
2012
2015

Inventor Addresses

AddressDuration
Kanagawa, JPSep 20, 12 - Mar 04, 25
Machida, JPMar 20, 12 - Mar 20, 12
Miyagi, JPOct 27, 16 - Oct 23, 18
Sendai, JPJan 15, 19 - Jan 15, 19
Sendai-shi, JPSep 17, 15 - Sep 17, 15
Tokyo, JPNov 23, 06 - Dec 08, 09

Technology Profile

Technology Matters
A61B: DIAGNOSIS; SURGERY; IDENTIFICATION 1
G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 2
G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
122417312025Displacement measurement device, non-contact input apparatus, and biological micromotion measurement apparatus0
2025/0020,4522025DISPLACEMENT MEASUREMENT APPARATUS, NON-CONTACT INPUT APPARATUS, AND BIOLOGICAL MICROMOTION MEASUREMENT APPARATUS0
2025/0013,2972025INCLINATION DETECTOR, LINE-OF-SIGHT DETECTION DEVICE, RETINAL PROJECTION DISPLAY DEVICE, HEAD-MOUNTED DISPLAY DEVICE, OPTOMETRIC DEVICE, VIRTUAL-REALITY DISPLAY APPARATUS, USER-CONDITION ESTIMATION APPARATUS, DRIVER-ASSISTANCE SYSTEM, METHOD OF DETECTING DEGREE OF INCLINATION OF THREE-DIMENSIONAL OBJECT, AND METHOD OF DETECTING LINE-OF-SIGHT0
121304412024Retinal projection display device, head-mounted display device, and optometric device0
2024/0111,1602024RETINAL PROJECTION DISPLAY DEVICE, HEAD-MOUNTED DISPLAY DEVICE, AND OPTOMETRIC DEVICE0

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