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Inventor

Motoichi Ohtsu

Inventor
Tokyo, JP

Overview

23→
Patents
1992–2016
Patent span
Physics
Primary field (CPC G)

Patents· 23 as inventor

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

G01Qprimary
G01QScanning-probe techniques or apparatus22%
B82YSpecific uses or applications of nanostructures21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
G02BOptical elements, systems or apparatus9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
G11BInformation storage based on relative movement between record carrier and transducer4%
Y10TTechnical subjects covered by former us classification4%
G01BMeasuring length, thickness or similar linear dimensions3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
H01LSemiconductor devices3%
PatentTitleYear
9,385,257'Solution searching system by quantum dots'20168,912,079'Compound semiconductor deposition method and apparatus'20148,183,514'Signal waveform measuring apparatus and method comprising a wavelength conversion element'20127,764,421'Wavelength-converted light generating apparatus and generating method'20107,586,084'Optical fiber probe, optical detection device, and optical detection method'20097,586,085'Photo-detection device and method'20097,489,616'Optical-pickup slide, manufacturing method thereof, probe and manufacturing method thereof, and probe array and manufacturing method thereof'20096,995,350'Near field optical probe having an internal near field generating and detecting device, and manufacturing method thereof'20066,993,826'Method of manufacturing a probe array'20066,680,900'Optical-pickup slider, manufacturing method thereof, probe and manufacturing method thereof, and probe array and manufacturing method thereof'20046,617,569'Probe opening forming apparatus and near-field optical microscope using the same'20036,541,755'Near field optical probe and manufacturing method thereof'20036,493,091'Interference detecting apparatus and tomography apparatus'20026,470,738'Rotating probe microscope'20026,340,813'Variable-aperture optical near-field probe'20026,236,783'Optical fiber probe and manufacturing method therefor'20015,928,525'Method for optical fiber with tapered end core protruding from clad'19995,908,562'Method for producing optical fiber having core with sharpened tip protruding from light-shielding coating'19995,812,724'Optical fiber having core with sharpened tip protruding from light-shielding coating'19985,812,723'Optical fiber with tapered end of core protruding from clad'19985,337,324'Method for controlling movement of neutral atom and apparatus for carrying out the same'19945,274,652'Harmonic wave generator, a method of producing a harmonic wave and a reading apparatus for an optical recording medium using the harmonic wave generator or the method of producing a harmonic wave'19935,148,437'Laser pumped atomic frequency standard with high frequency stability'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Based in Yamato, JP· patent location history
1994–2016Based in Tokyo, JP· patent location history
1998–2009Patents assigned to KANAGAWA KAGAKU GIJUTSU AKAD (13)· patent assignee history
2002–2009Patents assigned to RICOH KK (6)· patent assignee history
2002–2003Patents assigned to JAPAN SCIENCE & TECH CORP (2)· patent assignee history
2002–2009Based in Kanagawa, JP· patent location history
2010–2014Patents assigned to UNIV TOKYO (3)· patent assignee history
2010–2012Patents assigned to HAMAMATSU PHOTONICS KK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KANAGAWA KAGAKU GIJUTSU AKAD131998–2009
RICOH KK62002–2009
UNIV TOKYO32010–2014
HAMAMATSU PHOTONICS KK22010–2012
JAPAN SCIENCE & TECH CORP22002–2003
Locations
LocationPatentsSpan
Tokyo, JP161994–2016
Kanagawa, JP52002–2009
Yamato, JP21992–1993