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Inventor

Masashi Fujita

Inventor
Tokyo, JP

Overview

52→
Patents
1995–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 52 as inventor

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

G11Cprimary
G11CStatic stores16%
H10DInorganic electric semiconductor devices15%
H01LSemiconductor devices9%
H01JElectric discharge tubes or discharge lamps7%
H10BElectronic memory devices6%
G06FElectric digital data processing5%
H03KPulse technique4%
Y10TTechnical subjects covered by former us classification3%
B23KSoldering or unsoldering2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
PatentTitleYear
10,559,667Semiconductor device and method for measuring current of semiconductor device202010,505,547Semiconductor device201910,460,683Semiconductor device, display device, and electronic device201910,290,522Conductive interface system between vacuum chambers in a charged particle beam device201910,290,573Semiconductor device and electronic device20199,972,389Method for operating semiconductor device20189,762,246'Semiconductor device with a storage circuit having an oxide semiconductor'20179,704,893'Semiconductor device and electronic device'20179,647,132'Semiconductor device and memory device'20179,633,710'Method for operating semiconductor device'20179,601,307'Charged particle radiation apparatus'20179,543,113'Charged-particle beam device for irradiating a charged particle beam on a sample'20179,490,267'Semiconductor device'20169,355,687'Storage circuit'20169,115,707'Inverter module and integrated-inverter electric compressor using the same'20159,111,483'Display device'20159,105,446'Charged particle beam apparatus'20159,064,599'Memory circuit'20159,054,679'Flip-flop circuit and semiconductor device'20159,043,561'Storage device'20158,937,304'Semiconductor device and electronic device'20158,878,706'Serial-parallel conversion circuit, method for driving the same, display device, and semiconductor device'20148,817,527'Semiconductor device'20148,792,260'Rectifier circuit and semiconductor device using the same'20148,787,083'Memory circuit'20148,760,903'Storage circuit'20148,742,804'Divider circuit and semiconductor device using the same'20148,705,292'Nonvolatile memory circuit with an oxide semiconductor transistor for reducing power consumption and electronic device'20148,681,533'Memory circuit, signal processing circuit, and electronic device'20148,409,890'Semiconductor device and manufacturing method thereof'20138,345,401'Semiconductor device'20138,328,105'Semiconductor device'20128,259,487'Semiconductor memory device and semiconductor device'20128,174,229'Sample stage apparatus and method of controlling the same'20128,164,933'Power source circuit'20128,036,604'Transmitting and receiving circuit and semiconductor device including the same'20117,929,332'Semiconductor memory device and semiconductor device'20117,901,521'Aluminum base alloy'20117,900,896'Specimen stage'20117,782,657'Semiconductor device'20107,541,719'Stage and X-Y stage each on which to place sample, and charged-particle beam apparatus'20097,528,327'Inspection method and semiconductor device'20097,441,690'Joined structure of different metals and friction welding method thereof'20087,443,717'Semiconductor device'20087,375,329'Scanning electron microscope'20087,154,274'High-sensitivity measuring instrument and method of using the instrument to measure a characteristic value at a point in time'20066,995,370'Scanning electron microscope'20066,833,199'Joined structure of different metal materials'20046,828,038'Joined structure of different metals and friction welding method thereof'20046,739,388'Air-conditioning system for a vehicle'20046,523,966'LCD display with multi-color illumination means'20035,412,659'Inter-cellular interference detection by canceling data corruption events reported by mobile stations'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2020Based in Tokyo, JP· patent location history
2004–2011Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
2004–2008Based in Wako, JP· patent location history
2006–2019Patents assigned to HITACHI HIGH TECH CORP (9)· patent assignee history
2006–2012Based in Hitachinaka, JP· patent location history
2008–2020Patents assigned to SEMICONDUCTOR ENERGY LAB (34)· patent assignee history
2011–2014Based in Machida, JP· patent location history
2012–2017Patents assigned to FUJITA MASASHI (16)· patent assignee history
2014–2017Patents assigned to KOBAYASHI HIDETOMO (3)· patent assignee history
2015Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEMICONDUCTOR ENERGY LAB342008–2020
FUJITA MASASHIself162012–2017
HITACHI HIGH TECH CORP92006–2019
HONDA MOTOR CO LTD42004–2011
KOBAYASHI HIDETOMO32014–2017
Locations
LocationPatentsSpan
Tokyo, JP371995–2020
Hitachinaka, JP52006–2012
Machida, JP32011–2014
Wako, JP32004–2008
Aichi, JP12015