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Inventor

Masaaki Matsuo

Inventor
Tokyo, JP

Overview

15→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

B41Jprimary
B41JTypewriters19%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%
G11CStatic stores14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
G01RMeasuring electric variables5%
G03CPhotosensitive materials for photographic purposes5%
G06VImage or video recognition or understanding5%
H01LSemiconductor devices5%
H10BElectronic memory devices5%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
11,127,662Semiconductor device20218,369,583'Hybrid biometric authentication device, hybrid biometric authentication method, and computer-readable medium storing hybrid biometric authentication program'20136,114,866'Semiconductor device test board and method for evaluating semiconductor devices'20006,092,227'Test circuit'20006,043,522'Field effect transistor array including doped two-cell isolation region for preventing latchup'20006,025,733'Semiconductor memory device'20005,926,429'Semiconductor memory device and method of refreshing semiconductor memory device'1999RE036212'Image transfer apparatus'19995,533,451'Image transfer apparatus with transfer drum clamping mechanism'19965,503,075'Image transfer apparatus and method for ejecting image receptor'19965,408,297'Image transfer apparatus'19955,402,727'Image transfer apparatus and method for ejecting image receptor'19955,055,375'Method of image formation using heated rollers'19915,019,860'Apparatus for image formation and method of image formation'19914,835,576'Opaquing method and apparatus thereof'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1999Patents assigned to TOYO INK MFG CO (8)· patent assignee history
1989–1999Based in Tokyo, JP· patent location history
1999–2000Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1999–2000Patents assigned to MITSUBISHI ELEC SYS LSI DESIGN (3)· patent assignee history
1999–2000Based in Nagasaki, JP· patent location history
2013Patents assigned to DDS KK (1)· patent assignee history
2013Patents assigned to HOGURO MASAHIRO (1)· patent assignee history
2013Based in Nagoya, JP· patent location history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO INK MFG CO81989–1999
MITSUBISHI ELECTRIC CORP51999–2000
MITSUBISHI ELEC SYS LSI DESIGN31999–2000
DDS KK12013
HOGURO MASAHIRO12013
Locations
LocationPatentsSpan
Tokyo, JP81989–1999
Nagasaki, JP51999–2000
Kyoto, JP12021
Nagoya, JP12013