Inventor

Yasuo Nishikawa

Inventor

Kanagawa, JP

Overview

1977–2020

Patent span

Physics

Primary field (CPC G)

Patents· 76 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 transducer21%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

Y10TTechnical subjects covered by former us classification17%

H04NPictorial communication, e.g. television7%

G03GElectrography4%

G06FElectric digital data processing4%

B41JTypewriters4%

G06KGraphical data reading4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

G03CPhotosensitive materials for photographic purposes2%

PatentTitleYear

10,661,385Laser machining apparatus projecting guide pattern onto workpiece by irradiating visible laser beam thereon2020 10,576,579Laser machining apparatus that machines surface of workpiece by irradiating laser beam thereon2020 10,384,452Liquid ejection apparatus2019 10,259,240Sheet tray and image forming apparatus2019 10,212,296Multi-function apparatus2019 10,124,596Supply apparatus2018 10,093,101Liquid consuming apparatus and ink-jet printer2018 9,969,172Liquid consuming apparatus and ink-jet printer2018 9,942,428Multi-function apparatus2018 9,692,920'Multi-function apparatus'2017 9,451,107'Multi-function apparatus'2016 9,199,463'Liquid discharge head'2015 9,191,533'Multi-function apparatus'2015 9,073,332'Inkjet recording apparatus, multifunction device, and ink cartridge container'2015 9,025,211'Image reading apparatus'2015 8,767,231'Multi-function apparatus'2014 8,610,910'Multi-function apparatus'2013 8,511,818'Multifunction peripheral having opening and closing mechanism'2013 8,072,666'Optical scanning device, retinal scanning display and manufacturing method of optical scanning device'2011 7,639,413'Resonant optical scanner using vibrating body with optimized resonant frequency characteristics and image forming apparatus having the same'2009 7,554,715'Mirror driver using diametrically opposed mechanical beams with mirror inbetween and retinal scanning display using the same'2009 5,584,953'Method of manufacturing a photographic printing paper support'1996 5,527,617'Metal thin film magnetic recording medium having a silicone compound protective layer'1996 5,466,519'Support for a photographic printing paper and a manufacturing process therefor'1995 5,374,480'Magnetic recording medium'1994 5,366,854'Photographic printing paper support'1994 5,356,726'Magnetic recording medium comprising a magnetic layer having ferromagnetic powder, a specified binder and a lubricant composition which includes a specified tertiary branched chain fatty acid ester'1994 5,334,413'Method for preparing a magnetic recording medium'1994 5,326,641'Magnetic recording medium comprising a ferromagnetic thin film and a protective layer of fluorine based resin'1994 5,312,682'Photographic printing paper support'1994 5,270,109'Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound'1993 5,268,227'Magnetic recording medium comprising a ferromagnetic metallic then film having a top coat of (a) a hydrocarbonsulfuric or hydrocarbonsulfonic acid or salt and (b) a fluorinated polyether'1993 5,258,231'Magnetic recording medium having ferromagnetic powder, a binder containing a specified vinyl chloride copolymer, polar group containing polyurethane resin and a fatty acid amide'1993 5,164,259'Magnetic recording medium having a specified fatty acid hydroxylaluminum salt as a lubricant contained in or on the magnetic layer'1992 5,145,738'Magnetic recording medium'1992 5,126,215'Magnetic recording medium having a surface with pores of specified average inlet diameter and wide pore size distribution controlled by calender treatment'1992 5,091,249'Magnetic recording medium lubricant comprising two different fluorinated polyethers each having specified terminal groups'1992 5,091,270'Magnetic recording medium lubricated by a mixture of methyl branched iso ester compounds synthesized by the oko process'1992 5,091,268'Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition'1992 5,089,330'Abrasive tape in which a single compound serves to improve dispersion of abrasive particles and also as antistatic and lubricant for the tape'1992 5,082,714'Magnetic recording media'1992 5,063,105'Magnetic recording medium in which certain physical properties of the magnetic layer and the backcoat layer are specified'1991 5,063,119'Magnetic recording medium comprising a fluorine containing oligomer surfactant in or on the magnetic layer'1991 5,061,564'Magnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or both'1991 5,053,289'Magnetic recording medium'1991 5,051,318'Magnetic recording medium containing an organic silicone compound having branched chaw saturated hydrocarbon groups'1991 5,049,448'Magnetic recording medium containing an ester lubricant branched from the number 2 carbon position of the acid residue'1991 5,045,351'Process for producing a magnetic recording medium'1991 5,041,336'Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid'1991 5,030,521'Magnetic recording medium using a fatty acid ester lubricant wherein the alcohol component is branched at the number one carbon position'1991 4,937,098'Method for manufacturing a magnetic recording medium'1990 4,906,556'Optical recording medium'1990 4,857,402'Magnetic recording medium'1989 4,847,156'Magnetic recording medium'1989 4,840,843'Magnetic recording medium'1989 4,830,906'Magnetic recording medium'1989 4,808,202'Adsorptive fiber sheet'1989 4,746,559'Magnetic recording medium'1988 4,725,496'Magnetic recording medium'1988 4,713,287'Magnetic recording medium'1987 4,711,809'Magnetic recording medium'1987 4,693,929'Magnetic recording medium'1987 4,693,799'Process for producing plasma polymerized film'1987 4,693,927'Magnetic recording medium and process for producing the same'1987 4,654,258'Magnetic recording medium'1987 4,629,279'Connector housing'1986 4,557,948'Process for producing magnetic recording materials'1985 4,520,070'Magnetic recording medium and process for producing same'1985 4,443,514'Magnetic recording medium'1984 4,436,678'Method for hot repairing the inside of a furnace'1984 4,282,200'Processes for the preparation of fiberous titanic acid metal salts'1981 4,179,496'Fibrous crystalline potassium titanate and processes for preparing fibrous potassium titanates'1979 4,096,096'Method for manufacture of catalyst used for reduction of nitrogen oxides'1978 4,093,561'Catalyst for the reduction of nitrogen oxides and method for the production thereof'1978 4,039,344'Alumina-chrome refractory composition'1977 4,025,460'Catalyst for gasification of heavy hydrocarbons in fluidized bed'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to KYUSHU REFRACTORIES (7)· patent assignee history

1977–1984Based in Okayama, JP· patent location history

1984–1996Patents assigned to FUJI PHOTO FILM CO LTD (46)· patent assignee history

1984–1996Based in Kanagawa, JP· patent location history

1987Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (2)· patent assignee history

1987Based in Odawara, JP· patent location history

1994–1996Based in Fujinomiya, JP· patent location history

2009–2020Patents assigned to BROTHER IND LTD (21)· patent assignee history

2009–2020Based in Nagoya, JP· patent location history

2011–2015Patents assigned to NISHIKAWA YASUO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	46	1984–1996
BROTHER IND LTD	21	2009–2020
KYUSHU REFRACTORIES	7	1977–1984
NISHIKAWA YASUOself	5	2011–2015
JAPAN SYNTHETIC RUBBER CO LTD	2	1987

Locations

Location	Patents	Span
Kanagawa, JP	40	1984–1996
Nagoya, JP	20	2009–2020
Okayama, JP	5	1977–1984
Fujinomiya, JP	3	1994–1996
Odawara, JP	2	1987