Inventor

Masashi Aonuma

Inventor

Odawara, JP

Overview

1976–2021

Patent span

Physics

Primary field (CPC G)

Patents· 54 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 transducer24%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

Y10TTechnical subjects covered by former us classification16%

H01FMagnets9%

B22FWorking metallic powder8%

H04NPictorial communication, e.g. television4%

G02BOptical elements, systems or apparatus4%

G06FElectric digital data processing4%

C22CAlloys2%

G06TImage data processing or generation, in general2%

PatentTitleYear

10,909,370Information processing apparatus, image display apparatus, control method for information processing apparatus and image display apparatus, and computer program2021 10,664,975Image processing apparatus, control method for image processing apparatus, and computer program for generating a virtual image corresponding to a moving target2020 10,185,388Head mounted display, display system, control method of head mounted display, and computer program2019 9,898,868'Display device, method of controlling the same, and program'2018 9,891,702'Head-mounted display device, method of controlling head-mounted display device, and computer program'2018 9,746,914'Head mounted display, display system, control method of head mounted display, and computer program'2017 9,697,417'Exercise support system, exercise support apparatus, and exercise support method'2017 RE044367'Image and information processor'2013 8,321,287'Receipt printer, receipt printer control method, and program'2012 7,170,621'Automatic image data transfer system'2007 6,939,575'Ferromagnetic metal powder, producing method of the same, and magnetic recording medium'2005 6,906,814'Interfacing method for network printers'2005 6,762,429'Image and information processor'2004 6,149,989'Magnetic recording particulate medium'2000 5,795,645'Magnetic recording medium'1998 5,456,977'Magnetic recording medium and process for producing same'1995 5,233,555'Method of erasing residual radiation information on stimulable phosphor sheet'1993 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 5,091,268'Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition'1992 5,015,498'Method for preparing a magnetic recording medium'1991 4,976,989'Method for preparing a magnetic recording medium'1990 4,959,263'Magnetic recording medium'1990 4,847,147'Magnetic recording medium'1989 4,812,351'Magnetic recording medium'1989 4,716,077'Magnetic recording medium'1987 4,686,149'Magnetic recording medium and method of preparing'1987 4,671,998'Magnetic recording medium'1987 4,663,209'Magnetic recording medium'1987 4,617,234'Magnetic recording medium'1986 4,604,296'Process for production of magnetic recording elements'1986 4,475,946'Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Si, P, Mo, Sn, Sb and Ag coated with mono- or dialkoxysilanes'1984 4,437,882'Ferromagnetic powder treated with an organic silane compound'1984 4,431,712'Magnetic recording medium of ferromagnetic particles and binder'1984 4,309,471'Magnetic audio-recording tape'1982 4,308,311'Magnetic recording material'1981 4,253,886'Corrosion resistant ferromagnetic metal powders and method of preparing the same'1981 4,246,316'Magnetic recording medium'1981 4,217,152'Process for production of ferromagnetic powder'1980 4,154,895'Magnetic recording member'1979 4,141,763'Process for production of ferromagnetic powder and apparatus therefor'1979 4,135,016'Magnetic recording material'1979 4,110,503'Magnetic recording members'1978 4,101,311'Process for producing ferromagnetic metal powder'1978 4,096,316'Method of producing magnetic material with alkaline borohydrides'1978 4,086,374'Production of magnetic recording material'1978 4,076,861'Magnetic recording substance'1978 4,069,073'Process for the production of a ferromagnetic metal powder'1978 4,063,000'Process for production of ferromagnetic powder'1977 4,059,463'Process for producing ferromagnetic powder'1977 4,020,236'Process for producing a magnetic material and magnetic recording medium containing the same'1977 4,009,111'Magnetic recording medium'1977 4,007,072'Ferromagnetic metal powder comprising lead and method for making the same'1977 3,966,510'Ferromagnetic powder for magnetic recording medium and method for preparation thereof'1976 3,943,012'Magnetic recording medium'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2007Patents assigned to FUJI PHOTO FILM CO LTD (45)· patent assignee history

1976–1986Based in Odawara, JP· patent location history

1984–2013Based in Kanagawa, JP· patent location history

2007Based in Kaisei-machi, JP· patent location history

2012–2021Patents assigned to SEIKO EPSON CORP (8)· patent assignee history

2012–2013Patents assigned to AONUMA MASASHI (2)· patent assignee history

2012Patents assigned to KURIYAMA TOSHIO (1)· patent assignee history

2012–2021Based in Shiojiri, JP· patent location history

2013Patents assigned to FUJIFILM CORP (1)· patent assignee history

2017Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	45	1976–2007
SEIKO EPSON CORP	8	2012–2021
AONUMA MASASHIself	2	2012–2013
FUJIFILM CORP	1	2013
KURIYAMA TOSHIO	1	2012

Locations

Location	Patents	Span
Odawara, JP	23	1976–1986
Kanagawa, JP	22	1984–2013
Shiojiri, JP	7	2012–2021
Nagano, JP	1	2017
Kaisei-machi, JP	1	2007