LexDanaLexDanabeta
Inventor

Takeshi Iwasaki

Inventor
Yokohama, JP

Overview

117→
Patents
1978–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 117 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 transducer19%
B41JTypewriters15%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
H01LSemiconductor devices3%
Y10TTechnical subjects covered by former us classification3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
H04NPictorial communication, e.g. television3%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
C08LCompositions of macromolecular compounds2%
PatentTitleYear
11,133,456Magnetic storage device202111,081,525Storage device202110,818,214Display system for vehicle202010,807,903Nanocomposites and method of manufacturing nanocomposites202010,793,755Adhesive sheet and electronic device202010,668,650Thermosetting composition, and method for manufacturing thermoset resin202010,573,805Magnetic memory device202010,557,061Adhesive tape202010,526,433(Meth)acrylate composition202010,316,221Adhesive tape201910,311,770Display system for vehicle201910,222,519Composite silica glass made light diffusion member201910,186,656Magnetoresistive element and magnetic memory201910,093,835Double-sided adhesive tape201810,056,102Magnetic recording medium and method of manufacturing the same20189,911,448'Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus'20189,905,258'Magnetic recording medium and magnetic recording and reproduction device'20189,672,858'Magnetic recording medium manufacturing method'20179,595,285'Magnetic recording medium and magnetic recording and reproducing apparatus'20179,548,075'Magnetic recording medium and magnetic recording/reproduction apparatus'20179,368,143'Method for forming pattern, method for producing magnetic recording medium using the same, magnetic recording medium, and method for producing stamper'20169,343,096'Perpendicular magnetic recording medium'20169,324,355'Pattern formation method, stamper manufacturing method, and magnetic recording medium manufacturing method'20169,224,413'Magnetic recording medium and method of manufacturing the same'20159,214,177'Perpendicular magnetic recording medium and magnetic recording and reproducing apparatus'20159,099,143'Method for producing magnetic recording medium'20159,028,704'Magnetic recording medium and method of manufacturing'20159,012,046'Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus'20158,995,089'Magnetic recording medium and method for producing the same'20158,980,451'Magnetic recording medium, method of manufacturing the same, and magnetic recording apparatus'20158,883,041'Method for preparing phosphor'20148,858,809'Method of manufacturing magnetic recording medium'20148,508,821'Sheet feeding apparatus, image forming apparatus and sheet feeding method'20138,507,116'Magnetic recording medium and manufacturing method thereof'20138,419,952'Method of manufacturing magnetic recording medium and magnetic recording apparatus'20138,373,910'Image scanning device and image forming apparatus'20138,367,230'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20138,302,896'Roll-paper feeding device and image forming apparatus'20128,262,935'Phosphor and light emitting device'20128,187,495'Light emitting device'20128,013,091'Resin for optical component, raw material composition used for resin for optical component, and optical component'20117,901,803'Perpendicular magnetic recording medium, manufacturing method therefor, and magnetic read/write apparatus using the same'20117,867,638'Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus'20117,781,081'Magnetic recording medium, manufacturing method for the magnetic recording medium, and magnetic read/write apparatus'20107,704,411'Phosphor'20107,706,074'Projection optical system, method of manufacturing projection optical system, exposure apparatus, and exposure method'20107,666,531'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20107,636,181'Image reading apparatus and image forming apparatus'20097,622,204'Magnetic recording medium and magnetic recording apparatus'20097,601,445'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20097,494,725'Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus'20097,470,474'Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layers'20087,465,771'Process for producing radical polymer and microapparatus for chemical reaction'20087,460,279'Adjustment method, image reading device, and image forming apparatus for adjusting read sensors'20087,452,918'Recycled plastic material, electronic apparatus having the recycled plastic material, method of manufacturing plastic part, method of manufacturing the recycled plastic material, and method of reusing plastic material'20087,431,999'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20087,416,794'Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus'20087,294,448'Composition sensitive to visible light'20077,289,298'Perpendicular magnetic recording medium, method for manufacturing the same, and magnetic recording/reproducing apparatus'20077,252,896'Magnetic recording medium and magnetic recording/reproducing apparatus'20077,166,376'Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatus'20077,141,316'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20067,132,176'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20067,119,921'Carriage scanning apparatus'20067,105,239'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same'20067,083,870'Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus'20066,948,803'Ink container, inkjet printing apparatus and ink supplying method'20056,902,835'Perpendicular magnetic recording medium and magnetic recording apparatus'20056,870,022'Process for producing α-olefin polymer'20056,864,294'RECYCLED PLASTIC MATERIAL, ELECTRONIC APPARATUS HAVING THE RECYCLED PLASTIC MATERIAL, METHOD OF MANUFACTURING PLASTIC PART, METHOD OF MANUFACTURING THE RECYCLED PLASTIC MATERIAL, AND METHOD OF REUSING PLASTIC MATERIAL'20056,837,921'Ink tank'20056,783,215'Ink container, inkjet printing apparatus, and ink supplying method'20046,685,308'Image forming apparatus'20046,663,233'Inkjet printing apparatus and ink supplying method'20036,654,133'Recording apparatus'20036,567,187'Printing apparatus and feeding control method'20036,507,408'Printer'20036,471,428'Feeding apparatus, printing apparatus and feeding control method'20026,443,552'Carriage moving apparatus, recording apparatus and reading apparatus'20026,417,854'Image processing system'20026,382,761'Recording apparatus and battery holding mechanism for use in the recording apparatus'20026,382,858'Sheet material conveying apparatus and recording apparatus'20026,361,158'Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printer'20026,336,709'Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer'20026,325,479'Ink jet recording apparatus, electronic apparatus using the same and change control method therefor'20016,312,095'Recording apparatus and a drive switching method using a partially untoothed gear for use with said recording apparatus'20016,250,827'Recording device and sheet material conveying device'20016,213,464'Image forming apparatus'20016,210,458'Gas filter module having two-part filter and method of producing the same'20016,200,043'Sheet feeding apparatus and image forming apparatus having such sheet feeding apparatus'20016,185,403'Sheet conveying device, and an image reading apparatus and image forming apparatus having the sheet conveying device'20016,131,899'Sheet supplying apparatus'20006,095,515'Sheet supplying apparatus with separating means and guide'20006,045,220'Sheet supply apparatus'20005,992,993'Sheet supply apparatus'19995,951,003'Sheet supply apparatus having an inverted V-shaped separation pad'19995,917,517'Ink jet recording apparatus and wiping method used for such apparatus'19995,899,451'Sheet supply apparatus'19995,877,783'Recording apparatus having image reading function'19995,867,196'Sheet supply apparatus for controlling sheet feeding with reversing of conveyance direction'19995,847,719'Recording apparatus'19985,841,261'System for controlling stepping motor for dividing a single step of the motor into plural sections and applying voltages whose levels are determined in accordance with the sections'19985,793,399'Sheet supplying apparatus'19985,717,445'Improved recovery mechanism and ink jet apparatus provided with such mechanism'19985,619,237'Replaceable ink tank'19975,338,912'Automatic broken wire repairing method for wire electric discharge machining devices'19945,237,145'Wire cut electric discharge machining method'19935,162,630'Wire electrode threading apparatus for a wirecut electric discharge machine'19925,086,202'Wire guides for traveling wire type apparatus'19925,081,333'Electric discharge machining fluid with a fatty acid amide additive for rust inhibition'19925,073,691'Wire electrode feeding device in wire cut electric discharge machine'19915,055,649'Wire electrode supplying device in wire cut electric discharge machine'19915,036,174'Wire electrode supplying apparatus for wire electric discharge machine'19915,006,692'Wire electrode supplying device for use in a wire cut electric discharge machining apparatus'19915,001,321'Wire electrode supplying device for use in a wire cut electric discharge machining apparatus'19914,975,557'Wire cutting electric discharge machine with nozzle collision detection'19904,075,890'Device for detecting level of molten metal surface within a continuous casting mold'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to MITSUBISHI ELECTRIC CORP (11)· patent assignee history
1990–1993Based in Aichi, JP· patent location history
1997–2008Patents assigned to CANON KK (36)· patent assignee history
1997–2011Based in Yokohama, JP· patent location history
2001–2008Based in Kanagawa, JP· patent location history
2005–2011Patents assigned to SHOWA DENKO KK (10)· patent assignee history
2006–2018Patents assigned to TOSHIBA KK (32)· patent assignee history
2010–2020Based in Shizuoka, JP· patent location history
2012–2015Patents assigned to IWASAKI TAKESHI (13)· patent assignee history
2013–2018Based in Inagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK361997–2008
TOSHIBA KK322006–2018
IWASAKI TAKESHIself132012–2015
MITSUBISHI ELECTRIC CORP111990–1994
SHOWA DENKO KK102005–2011
Locations
LocationPatentsSpan
Yokohama, JP331997–2011
Inagi, JP172013–2018
Kanagawa, JP82001–2008
Aichi, JP81990–1993
Shizuoka, JP72010–2020