Inventor

Takashi Ienaga

Inventor
Tokyo, JP

Overview

11→
Patents
1995–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices21%
H04LTransmission of digital information, e.g. telegraphic communication16%
H05BElectric heating16%
G06FElectric digital data processing11%
G11CStatic stores11%
H01LSemiconductor devices11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
G01RMeasuring electric variables5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2001Patents assigned to NEC CORP (4)· patent assignee history
1995–2015Based in Kanagawa, JP· patent location history
1998–2019Based in Tokyo, JP· patent location history
2013–2016Patents assigned to IENAGA TAKASHI (3)· patent assignee history
2013–2016Patents assigned to SEMICONDUCTOR ENERGY LAB (3)· patent assignee history
2013–2016Patents assigned to MIYAIRI HIDEKAZU (2)· patent assignee history
2015–2016Based in Oume, JP· patent location history
2018–2019Patents assigned to RENESAS ELECTRONICS CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP41995–2001
IENAGA TAKASHIself32013–2016
RENESAS ELECTRONICS CORP32018–2019
SEMICONDUCTOR ENERGY LAB32013–2016
MIYAIRI HIDEKAZU22013–2016
Locations
LocationPatentsSpan
Tokyo, JP51998–2019
Kanagawa, JP41995–2015
Oume, JP22015–2016