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Inventor

Masaharu Ishizuka

Inventor
Ehime, JP

Overview

9→
Patents
1995–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
C08LCompositions of macromolecular compounds9%
C09JAdhesives9%
Y10TTechnical subjects covered by former us classification9%
B29CShaping or joining of plastics4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
F16CShafts4%
F16HGearing4%
PatentTitleYear
11,041,545Bending meshing type gear device202110,967,413Forming device202110,967,414Forming device202110,926,313Forming apparatus20217,868,435'Adhesive containing a filler, and a method for attaching and manufacturing a thin plate using the same'20117,645,685'Method for producing a thin IC chip using negative pressure'20107,419,885'Method for cutting a wafer using a protection sheet'20085,732,459'Method for fixing a magnetic head slider with a slider support member'19985,384,432'Two-layered tape lead wire for magnetic head'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2011Patents assigned to TDK CORP (5)· patent assignee history
1995Based in Tokyo, JP· patent location history
1998–2010Based in Nagano, JP· patent location history
2011Based in Toumi, JP· patent location history
2021Patents assigned to SUMITOMO HEAVY INDUSTRIES (4)· patent assignee history
2021Based in Ehime, JP· patent location history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP51995–2011
SUMITOMO HEAVY INDUSTRIES42021
Locations
LocationPatentsSpan
Ehime, JP32021
Nagano, JP31998–2010
Kanagawa, JP12021
Toumi, JP12011
Tokyo, JP11995