LexDanaLexDanabeta
Inventor

Eiji Yamaguchi

Inventor
Zama, JP

Overview

50→
Patents
1990–2017
Patent span
Physics
Primary field (CPC G)

Patents· 50 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information16%
H01JElectric discharge tubes or discharge lamps16%
G11BInformation storage based on relative movement between record carrier and transducer15%
H04NPictorial communication, e.g. television7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
F16HGearing5%
E02FDredging4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B05CApparatus for applying fluent materials to surfaces, in general2%
PatentTitleYear
9,815,170'Metallic abrasive pad and method for manufacturing same'20178,863,905'Wheel loader'20148,746,406'Wheel loader'20148,546,185'Method for manufacturing semiconductor device'20138,504,257'Work vehicle and method of controlling the same'20138,447,476'Lubricating oil supply control device for construction machine'20138,182,394'Speed change controller of working vehicle'20127,737,617'Image formation apparatus having getters spacers and wires'20107,323,814'Image formation apparatus having fluorescent material and black material'20087,304,640'Method of measuring luminance of image display apparatus, method of manufacturing the same, method and apparatus for adjusting characteristics of the same'20077,157,850'Image formation apparatus having electrically conductive spacer and external frame'20076,879,096'Image formation apparatus'20056,854,851'Projection display'20056,805,135'Cleaning fluid and cleaning method for component of semiconductor-treating apparatus'20046,621,475'Electron generating apparatus, image forming apparatus, method of manufacturing the same and method of adjusting characteristics thereof'20036,540,575'Method of manufacturing electron-beam source and image forming apparatus using same, and activation processing method'20036,336,836'Method of manufacturing electron-beam source and image forming apparatus using same, and activation processing method'20026,280,610'Hydrotreating catalyst: composition, preparation, and use thereof'20016,236,167'Apparatus for and method of driving elements, apparatus for and method of driving electron source, and image forming apparatus'20016,184,851'Image forming apparatus and method of manufacturing and adjusting the same'20016,165,034'Method of manufacturing electron source or image forming apparatus using the same'20006,144,350'Electron generating apparatus, image forming apparatus, and method of manufacturing and adjusting the same'20006,056,042'Method of restoring used molding sand'20006,019,653'Method of manufacturing electron-beam source and image forming apparatus using same, and activation processing method'20005,929,827'Electron source, image forming apparatus using the same, method of manufacturing the same, and method of driving the same'19995,928,390'Vertical processing apparatus'19995,853,803'Resist processing method and apparatus'19985,841,755'Magnetooptical information recording and reproducing apparatus which reproduces information by detecting only portions of light from a recording medium not shielded by a shielding device'19985,786,117'Medium and related method and apparatus for recording and reproducing information in cells using multiple interference'19985,768,219'Optical information recording/reproducing apparatus that produces verifying reproduction signals by executing a computation using detection signals of multi-divided detection surfaces of a photo-detector'19985,718,763'Resist processing apparatus for a rectangular substrate'19985,717,506'Image communication apparatus for communicating binary and multi-value color image data'19985,712,840'Optical information recording/reproduciing apparatus having two-division detectors'19985,701,279'Optical information recording-reproducing apparatus including a light beam detector being divided by a division line extending in a direction perpendicular to an information track'19975,668,872'Information processing method and system'19975,659,329'Electron source, and image-forming apparatus and method of driving the same'19975,654,607'Image forming device and method including surface-conduction electron emitting devices and an electrode array for generating an electron beam'19975,610,897'Optical information reproducing apparatus'19975,593,335'Method of manufacturing an electron source'19975,581,532'Optical information recording/reproducing apparatus for accurately detecting magnetic domain edges'19965,577,017'Magnetooptical information recording/reproducing apparatus'19965,539,718'Optical head for controlling light irradiation in a magneto-optical recording and/or reproducing apparatus'19965,468,709'Catalysts for hydrotreating hydrocarbon oils and method of preparing the same'19955,450,376'Optical information recording/reproduction apparatus with super-resolution optical filter'19955,445,521'Heat treating method and device'19955,365,535'Semiconductor laser and beam splitting devices, and optical information recording/reproducing, optical communication, and optomagnetic recording/reproducing apparatuses using semiconductor laser and beam splitting devices'19945,329,517'Optical information recording and reproducing apparatus utilizing a plurality of recording light spots'19945,297,128'Optical information recording/reproducing apparatus including means for varying intensity of a preheating light beam'19944,982,393'Information recording and/or reproducing apparatus provided with means for detecting abnormality of tracking servo'1991D0313209'Vehicle tire'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2010Patents assigned to CANON KK (32)· patent assignee history
1994–2003Based in Zama, JP· patent location history
1994–1998Based in Sagamihara, JP· patent location history
1995–2013Patents assigned to TOKYO ELECTRON LTD (6)· patent assignee history
1995–1999Based in Yamanashi, JP· patent location history
1998–2010Based in Kanagawa, JP· patent location history
2012–2014Patents assigned to KOMATSU MFG CO LTD (5)· patent assignee history
2012–2014Patents assigned to YAMAGUCHI EIJI (5)· patent assignee history
2012–2013Patents assigned to KUMA MASAAKI (2)· patent assignee history
2012–2014Based in Komatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK321991–2010
TOKYO ELECTRON LTD61995–2013
KOMATSU MFG CO LTD52012–2014
YAMAGUCHI EIJIself52012–2014
KUMA MASAAKI22012–2013
Locations
LocationPatentsSpan
Zama, JP221994–2003
Kanagawa, JP61998–2010
Komatsu, JP52012–2014
Yamanashi, JP41995–1999
Sagamihara, JP41994–1998