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Inventor

Yoji Arita

Inventor
Yokohama, JP

Overview

15→
Patents
1984–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 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%
C25CProcesses for the electrolytic production, recovery or refining of metals11%
Y10TTechnical subjects covered by former us classification11%
H02KDynamo-electric machines7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B82YSpecific uses or applications of nanostructures4%
C01BNon-metallic elements4%
C03BManufacture, shaping, or supplementary processes4%
C23CCoating metallic material4%
PatentTitleYear
9,567,227'Process for producing silicon, silicon, and panel for solar cells'20178,133,319'Production process of periodic table group 13 metal nitride crystal and production method of semiconductor device using the same'20126,781,779'Magnetic recording medium, its production method and magnetic recording apparatus'20046,217,970'Magnetic recording medium, method of producing the same, and recording and reading-out method'20016,057,984'Method for data writing/read-out using a contact start and stop system'20005,981,902'Texturing apparatus for magnetic recording medium and magnetic recording medium process thereby'19995,976,714'Magnetic recording medium and method of producing the same'19995,928,759'Magnetic recording medium, method of producing the same, and recording and reading-out method'19994,994,702'Motor'19914,964,968'Magnetron sputtering apparatus'19904,945,330'Actuator'19904,812,692'Motor'19894,437,950'Method of controlling aluminum electrolytic cells'19844,431,492'Aluminum electrolytic cell arrays and method of supplying electric power to the same'19844,425,200'Method and apparatus for stabilizing aluminum metal layers in aluminum electrolytic cells'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to MITSUBISHI KEIKINZOKU KOGYO (2)· patent assignee history
1984Patents assigned to ITSUBISHI KEIKINZOKU KOGYO KAB (1)· patent assignee history
1984–2004Based in Yokohama, JP· patent location history
1989–1991Patents assigned to MITSUBISHI CHEM IND (4)· patent assignee history
1989Based in Nagareyama, JP· patent location history
1999–2017Patents assigned to MITSUBISHI CHEM CORP (7)· patent assignee history
1999–2017Based in Kanagawa, JP· patent location history
2012–2017Patents assigned to ARITA YOJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM CORP71999–2017
MITSUBISHI CHEM IND41989–1991
ARITA YOJIself22012–2017
MITSUBISHI KEIKINZOKU KOGYO21984
ITSUBISHI KEIKINZOKU KOGYO KAB11984
Locations
LocationPatentsSpan
Yokohama, JP111984–2004
Kanagawa, JP31999–2017
Nagareyama, JP11989