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Inventor

Norifumi Kameshiro

Inventor
Tokyo, JP

Overview

14→
Patents
2005–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices29%
H01LSemiconductor devices16%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
H10BElectronic memory devices11%
G11CStatic stores8%
B60LPropulsion of electrically-propelled vehicles3%
C12MApparatus for enzymology or microbiology3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G01TMeasurement of nuclear or x-radiation3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
PatentTitleYear
11,119,228Radiation detector and radiation detection device using the same202110,338,046Artificial olfactory sensing system20199,755,014'Semiconductor device with substantially equal impurity concentration JTE regions in a vicinity of a junction depth'20179,711,600'Semiconductor device and method of manufacturing the same, power conversion device, three-phase motor system, automobile, and railway vehicle'20179,478,605'Semiconductor device with similar impurity concentration JTE regions'20169,159,562'Trench type Schottky junction semiconductor device and manufacturing method thereof'20158,890,278'Semiconductor device'20148,890,169'Semiconductor device'20148,106,449'Semiconductor device'20127,859,889'Semiconductor memory device'20107,772,053'Method for fabrication of semiconductor device'20107,468,901'Semiconductor memory device'20087,375,399'Semiconductor memory device'20086,888,867'Semiconductor laser device and fabrication method thereof'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Based in Nagoya, JP· patent location history
2008–2010Patents assigned to RENESAS TECH CORP (3)· patent assignee history
2008–2010Based in Kokubunji, JP· patent location history
2010–2012Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history
2010–2012Based in Kodaira, JP· patent location history
2012–2014Patents assigned to KAMESHIRO NORIFUMI (2)· patent assignee history
2014–2021Patents assigned to HITACHI LTD (6)· patent assignee history
2014–2021Based in Tokyo, JP· patent location history
2016–2017Patents assigned to HITACHI POWER SEMICONDUCTOR DEVICE LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD62014–2021
RENESAS TECH CORP32008–2010
HITACHI POWER SEMICONDUCTOR DEVICE LTD22016–2017
KAMESHIRO NORIFUMIself22012–2014
RENESAS ELECTRONICS CORP22010–2012
Locations
LocationPatentsSpan
Tokyo, JP82014–2021
Kokubunji, JP32008–2010
Kodaira, JP22010–2012
Nagoya, JP12005