LexDanaLexDanabeta
Inventor

Haruyuki Suzuki

Inventor
Kanagawa, JP

Overview

55→
Patents
1979–2021
Patent span
Physics
Primary field (CPC G)

Patents· 55 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer38%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters14%
G05BControl or regulating systems in general6%
G03GElectrography5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
C08LCompositions of macromolecular compounds4%
B41JTypewriters2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G02BOptical elements, systems or apparatus2%
G05DSystems for controlling or regulating non-electric variables2%
PatentTitleYear
11,044,838Railway equipment inspecting and measuring apparatus, and railway equipment inspecting and measuring method202110,680,471Permanent magnet motor, position estimation apparatus and motor drive control apparatus202010,472,194Current detecting device, motor controlling system, image forming apparatus, sheet conveying device, robot, and current detecting method201910,199,967Motor controller, motor driving apparatus, motor driving system, image forming apparatus, and conveying device201910,133,255Motor controller, motor driver, and motor driving system20189,692,335'Motor driving apparatus, motor control apparatus, conveyance apparatus and motor driving method'20179,684,616'Motor control apparatus and motor control method'20179,588,522'Motor controller and motor control method'20179,306,483'Motor control device'20169,024,568'Motor speed controller and control method'20159,018,885'Motor controller and motor control method'20158,872,453'Motor drive controller and control method'20148,866,421'Motor drive controller and control method'20148,860,346'Angle detection device, motor driving device, and image forming apparatus'20148,451,308'Image forming apparatus'20138,427,089'Motor driving device'20138,130,435'Optical scanner and color image forming apparatus'20127,639,575'Recording condition setting method, program, recording medium, and information recording apparatus'20097,573,789'Method and apparatus for recording data at accurate location on recording medium'20097,558,172'Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk'20097,502,293'Information recording apparatus for controlling recording power of a recording medium having a constant linear density, an information recording method, an information recording program, a recording medium that can be read and written to by a computer, and circuit parts'20097,496,027'Optical information recording medium, optical information recording apparatus, information processing apparatus, optical information recording method, program and recording medium'20097,411,881'Information recording apparatus, method and system, with increased likelihood for recording information at appropriate recording conditions'20087,359,300'Recording condition determining method, program, and medium, information recording apparatus, and information recording system'20087,209,419'Recording condition compensation method, program, recording medium, and information recording apparatus'20077,193,943'Optical disk apparatus, optical recording method, optical recording program and storage medium'20077,085,211'Optical recording/reproducing method and apparatus'20067,020,066'Optical information recording medium, optical information recording apparatus, information processing apparatus, optical information recording method, program and recording medium'20066,987,717'Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk'20066,944,106'Information recording apparatus for controlling recording power of a recording medium'20056,795,384'Method and apparatus for recording data at accurate location on recording medium'20046,791,922'Information recording device that can resume recording process at correct location on recording medium'20046,787,748'High speed sampling circuit'20046,744,031'High speed sampling circuit'20046,693,140'Container comprising foamed olefin resin and process for producing same'20046,621,780'Optical recording/reproducing method and apparatus'20036,333,903'Disk unit and rotating motor control apparatus for recordable optical disk unit'20016,288,168'Propylene based resin composition'20016,128,261'Disk unit and rotating motor control apparatus for recordable optical disk unit'20006,087,443'Thermoplastic resin composition'20005,852,100'Thermoplastic resin composition'19985,631,886'Tracking control apparatus for optical disk'19975,604,722'Access control method and device of disk unit'19975,521,892'Closed-loop control system and servo device of optical disk unit'19965,487,055'Information recorder with tracking and seeking operations using low frequency tracking and lens position signals'19965,442,607'Jump pulse corrector and optical disk unit'19955,375,108'Optical disk device and method for controlling head movement thereof'19945,371,726'Velocity controlling apparatus'19945,309,418'Track counting device using a PLL'19945,222,057'Tracking servo method used in an optical disk drive unit'19935,218,588'Focus offset correction method'19935,161,137'Optical disk apparatus with a plurality of heads'19925,097,458'Servo control system for optical disk device'19924,206,676'Electronic musical instrument with sequencer for automatic arpeggio performance'19804,179,971'Pitch bend apparatus for electronic musical instrument'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Patents assigned to RICOH KK (31)· patent assignee history
1992–1993Based in Kawasaki, JP· patent location history
1994–2013Based in Yokohama, JP· patent location history
1998–2004Patents assigned to SUMITOMO CHEMICAL CO (4)· patent assignee history
1998–2001Based in Sodegaura, JP· patent location history
2000–2020Based in Kanagawa, JP· patent location history
2000–2004Based in Chiba, JP· patent location history
2012–2020Patents assigned to SUZUKI HARUYUKI (16)· patent assignee history
2012–2020Patents assigned to RICOH CO LTD (15)· patent assignee history
2014Patents assigned to FURUSE KATSUHISA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK311992–2009
SUZUKI HARUYUKIself162012–2020
RICOH CO LTD152012–2020
SUMITOMO CHEMICAL CO41998–2004
FURUSE KATSUHISA32014
Locations
LocationPatentsSpan
Kanagawa, JP352000–2020
Yokohama, JP91994–2013
Kawasaki, JP41992–1993
Chiba, JP22000–2004
Sodegaura, JP21998–2001