Inventor

Toshifumi Takahashi

Inventor
Tokyo, JP

Overview

23→
Patents
1987–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 23 as inventor

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

H10Bprimary
H10BElectronic memory devices18%
H10DInorganic electric semiconductor devices16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
B05DProcesses for applying fluent materials to surfaces, in general4%
G06FElectric digital data processing4%
G11CStatic stores4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
Y10TTechnical subjects covered by former us classification4%
A47JKitchen equipment2%
PatentTitleYear
11,074,023Transmission device20219,637,722'Production method of polyurethane porous membrane to be used for at least one of applications of cell culture and cancer cell growth inhibition'20179,021,919'Strain wave gear apparatus'20158,568,870'Coating film for building material'20138,546,851'Semiconductor integrated circuit device'20138,030,142'Semiconductor device and method of designing the semiconductor device'20117,868,359'Semiconductor device'20117,763,516'Manufacturing method of semiconductor device having trench isolation'20107,719,879'Semiconductor integrated circuit'20107,610,355'Transferring web contents'20097,250,661'Semiconductor memory device with plural source/drain regions'20077,126,835'Semiconductor memory device'20066,942,361'Light source for white color LED lighting and white color LED lighting device'20056,566,216'Method of manufacturing a trench transistor'20036,555,445'Manufacturing method of semiconductor device'20036,387,760'Method for making semiconductor device having bent gate electrode'20026,258,708'Method of fabricating gate contact pods, load lines and wiring structures using a minimum number of etching steps'20016,246,080'Semiconductor device having bent gate electrode and process for production thereof'20016,118,170'Resistance element having flexing portion and its manufacturing method'20005,989,951'Semiconductor device with contacts formed in self-alignment'19995,909,047'Semiconductor memory device'1999D0323170'Crusher for use with a power shovel'19924,667,586'Beverage brewing apparatus for a vending machine'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2003Patents assigned to NEC CORP (8)· patent assignee history
1999–2003Based in Tokyo, JP· patent location history
2006–2010Patents assigned to NEC ELECTRONICS CORP (4)· patent assignee history
2006–2021Based in Kanagawa, JP· patent location history
2007–2015Based in Kawasaki, JP· patent location history
2011–2013Patents assigned to RENESAS ELECTRONICS CORP (3)· patent assignee history
2013Patents assigned to TAKAHASHI TOSHIFUMI (2)· patent assignee history
2013Patents assigned to AZUHATA HIROFUMI (1)· patent assignee history
2013Based in Kakamigahara, JP· patent location history
2017Based in Yamagata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP81999–2003
NEC ELECTRONICS CORP42006–2010
RENESAS ELECTRONICS CORP32011–2013
TAKAHASHI TOSHIFUMIself22013
AZUHATA HIROFUMI12013
Locations
LocationPatentsSpan
Tokyo, JP81999–2003
Kanagawa, JP62006–2021
Kawasaki, JP32007–2015
Yamagata, JP12017
Kakamigahara, JP12013