LexDanaLexDanabeta
Inventor

Kazutaka Yamamoto

Inventor
Kanagawa, JP

Overview

56→
Patents
1989–2020
Patent span
Physics
Primary field (CPC G)

Patents· 56 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 transducer15%
G06FElectric digital data processing13%
H04NPictorial communication, e.g. television13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H04MTelephonic communication8%
B41JTypewriters7%
H04LTransmission of digital information, e.g. telegraphic communication7%
B41MPrinting, duplicating, marking, or copying processes4%
A01BSoil working in agriculture or forestry3%
PatentTitleYear
10,531,000Image pickup device and image pickup method202010,496,346Communication apparatus, control program of communication apparatus, and relay apparatus providing efficient download of electronic data201910,306,144Image pickup device and image pickup method201910,126,752Work machine, system, method, program, and recording medium recording program for generating travel route of work machine, for determining availability of entry to travel route, and for automatically selecting travel route, and travel control system of work machine201810,120,382Work machine, system, method, and recording medium recording computer program for determining availability of entry to travel route, and travel control system of work machine201810,114,377Work machine, system, method, and recording medium recording computer program for generating travel route of work machine, and travel control system of work machine201810,044,789Communication apparatus, control program of communication apparatus, and relay apparatus providing efficient download of electronic data201810,044,881Relay apparatus, communication system and communicating method20189,860,231'Relay apparatus, communication apparatus and relay method'20189,824,784'Protection barrier and laser irradiation system'20179,800,785'Image pickup device and image pickup method'20179,674,379'Relay apparatus, communication apparatus, and control methods of relay apparatus'20179,648,360'Relay apparatus, recording medium storing program for relay apparatus, information processing method, and information processing system'20179,648,228'Image pickup device and image pickup method'20179,607,554'Image pickup device and image pickup method'20179,547,434'Image pickup device and image pickup method'20179,500,858'Image recording system and image recording method'20169,443,476'Image pickup device and image pickup method'20169,375,944'Laser erasing apparatus and laser erasing method'20169,319,454'Communication apparatus system, communication apparatus, relay apparatus, and control method of relay'20169,302,524'Marking control device, laser application device, marking control method, and computer-readable recording medium having marking control program'20169,272,533'Image processing method and image processing apparatus'20169,171,506'Image pickup device and image pickup method'20159,167,026'Communication system, communication apparatus, and control method of relay apparatus'20159,094,603'Image pickup device and image pickup method'20159,090,105'Image recording system, image rewriting system, and image recording method'20158,933,981'Marking control device, laser application device, marking control method, and computer-readable recording medium having marking control program'20158,730,293'Laser light irradiating system'20148,363,254'Document management system'20138,335,006'Document management system'20128,305,197'Article management system, and portable apparatus for communicating with RFID tag'20128,275,862'RFID tag information service system'20128,253,543'RFID tag identification information management system'20128,162,228'RFID tag printer and printer'20127,859,957'Optical disc system'20107,848,339'Data communication apparatus, method for its network configuration, and computer readable recording medium storing its program'20107,701,841'OFDM demodulating apparatus and method'20107,522,494'Control of laser emission power for recording information on optical disc'20097,385,902'Optical disc apparatus'20087,362,669'Optical disc apparatus'20087,278,452'Filler for filling drink liquid'20077,245,569'Optical disc apparatus'20077,215,625'Optical disk recording apparatus that records a visible image on an optical disk'20077,196,990'Information recording scheme for preventing recording failure resulting from impact or vibration'20077,057,987'Optical disc apparatus'20067,020,058'Optical disc device varying, detecting and noticing a recording velocity during a recording'20066,975,573'Information recording scheme for preventing recording failure resulting from impact of vibration'20056,967,910'Information recording apparatus and method for controlling data writing rate based on data transfer rate so as to improve data writing performance'20056,876,608'Optical disc apparatus'20056,661,755'Optical disc apparatus'20036,570,832'Optical disc apparatus'20036,418,099'Optical disk apparatus'20026,198,707'Optical disc apparatus capable of multiple write sessions in a single track'20016,163,515'Optical disk writing control device'20005,686,876'Superconducting magnet apparatus'19974,835,754'Tracking control device of an optical pick-up'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2009Patents assigned to RICOH KK (17)· patent assignee history
2000–2020Based in Kanagawa, JP· patent location history
2007Based in Tokyo, JP· patent location history
2010–2017Patents assigned to RICOH CO LTD (10)· patent assignee history
2010Based in Sagamihara, JP· patent location history
2012–2018Patents assigned to YAMAMOTO KAZUTAKA (20)· patent assignee history
2012–2019Patents assigned to BROTHER IND LTD (13)· patent assignee history
2012–2019Based in Nagoya, JP· patent location history
2015–2018Patents assigned to BANNO HIROKAZU (7)· patent assignee history
2018Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAMOTO KAZUTAKAself202012–2018
RICOH KK171989–2009
BROTHER IND LTD132012–2019
RICOH CO LTD102010–2017
BANNO HIROKAZU72015–2018
Locations
LocationPatentsSpan
Kanagawa, JP352000–2020
Nagoya, JP142012–2019
Saitama, JP32018
Sagamihara, JP12010
Tokyo, JP12007