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Inventor

Takafumi Shimizu

Inventor
Kanagawa, JP

Overview

12→
Patents
1984–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
G01FMeasuring volume, volume flow, mass flow or liquid level7%
H01CResistors7%
H04MTelephonic communication7%
H04WWireless communication networks7%
B05DProcesses for applying fluent materials to surfaces, in general4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B41JTypewriters4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
PatentTitleYear
11,066,621Lubricating oil composition20219,256,178'Power supply control apparatus, image processing apparatus, power supply control method, and recording medium storing a power supply control program'20169,157,783'Method for producing conductive segment'20159,032,178'Electronic apparatus for memory allocation and reorganization'20158,671,751'Liquid level detecting apparatus'20148,514,614'Magnetic memory'20138,506,359'Aqueous dispersion for chemical mechanical polishing and chemical mechanical polishing method'20138,388,799'Composition for forming polishing layer of chemical mechanical polishing pad, chemical mechanical polishing pad and chemical mechanical polishing method'20138,177,321'Image forming apparatus, image forming system and non-transitory computer-readable storage medium having function to drive transport belt based on charge leak'20127,357,703'Chemical mechanical polishing pad and chemical mechanical polishing method'20084,622,438'Subscriber line radio concentration system with automatic response for a loop back test'19864,485,270'Method for transmitting a charging signal'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1986Patents assigned to FUJITSU LTD (2)· patent assignee history
1984–1986Based in Kawasaki, JP· patent location history
2008–2013Patents assigned to JSR CORP (3)· patent assignee history
2008–2013Based in Chuo-ku, JP· patent location history
2012–2016Patents assigned to SHIMIZU TAKAFUMI (8)· patent assignee history
2012–2016Patents assigned to RICOH CO LTD (3)· patent assignee history
2012–2016Based in Kanagawa, JP· patent location history
2014–2015Patents assigned to OIKE TOSHIO (2)· patent assignee history
2014–2015Based in Shimada, JP· patent location history
2021Based in Fujisawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIMIZU TAKAFUMIself82012–2016
JSR CORP32008–2013
RICOH CO LTD32012–2016
FUJITSU LTD21984–1986
OIKE TOSHIO22014–2015
Locations
LocationPatentsSpan
Kanagawa, JP32012–2016
Shimada, JP22014–2015
Chuo-ku, JP22008–2013
Kawasaki, JP21984–1986
Fujisawa, JP12021