Inventor

Minoru Yamaga

Inventor

Miyagi, JP

Overview

1982–2021

Patent span

Physics

Primary field (CPC G)

Patents· 29 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 transducer60%

H01FMagnets4%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

B05DProcesses for applying fluent materials to surfaces, in general2%

B22FWorking metallic powder2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

B82YSpecific uses or applications of nanostructures2%

C22CAlloys2%

C23CCoating metallic material2%

PatentTitleYear

11,100,945Servo pattern recording method, servo pattern recording apparatus, manufacturing method for a tape-like magnetic recording medium, and tapelike magnetic recording medium2021 11,056,143Magnetic recording medium2021 11,031,034Magnetic recording medium having a recording layer including epsilon-iron oxide2021 11,031,033Magnetic recording medium and cartridge2021 11,017,809Magnetic recording medium having a controlled dimensional variation2021 10,984,833Magnetic recording cartridge2021 10,984,819Magnetic tape recording device including cartridge memory having a plurality of memory banks2021 10,978,104Magnetic recording medium having a dimensional variation and cartridge2021 10,971,186Cartridge memory, recording medium cartridge, and method of producing the same2021 10,964,346Magnetic recording medium and cartridge2021 10,937,457Magnetic recording medium2021 10,923,148Magnetic recording medium2021 10,872,633Magnetic recording medium, laminate, and flexible device2020 10,867,630Magnetic recording medium having a dimensional variation2020 10,839,848Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles2020 10,839,846Magnetic recording medium having a dimensional variation2020 10,839,847Magnetic recording medium having a dimensional variation2020 10,803,904Magnetic recording cartridge2020 10,803,897Magnetic recording medium2020 10,755,841Magnetic powder, method for production thereof, and magnetic recording medium2020 10,748,570Magnetic recording medium2020 10,720,181Magnetic recording cartridge2020 10,665,259Magnetic recording medium and cartridge2020 10,210,892Magnetic recording medium having a protective layer2019 10,204,651Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles2019 7,295,402'Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridge'2007 5,169,703'Magnetic recording medium and method for production thereof'1992 4,582,098'Method of fabricating electrodes for battery'1986 4,332,867'Battery coil construction'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1986Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history

1982Based in Hirakata, JP· patent location history

1986Based in Chigasaki, JP· patent location history

1992–2021Patents assigned to SONY CORP (27)· patent assignee history

1992–2021Based in Miyagi, JP· patent location history

2019–2021Based in Tokyo, JP· patent location history

2021Based in Miyagi-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	27	1992–2021
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	2	1982–1986

Locations

Location	Patents	Span
Miyagi, JP	22	1992–2021
Tokyo, JP	3	2019–2021
Miyagi-gun, JP	2	2021
Chigasaki, JP	1	1986
Hirakata, JP	1	1982