Inventor

Keiichi Haraguchi

Inventor
Hitachinaka, JP

Overview

10→
Patents
1994–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H10Bprimary
H10BElectronic memory devices24%
H10DInorganic electric semiconductor devices24%
G11CStatic stores12%
B82YSpecific uses or applications of nanostructures8%
B29BPreparation or pretreatment of the material to be shaped4%
D04HMaking textile fabrics, e.g. from fibres or filamentary material4%
G02BOptical elements, systems or apparatus4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2002Patents assigned to ASAHI CHEMICAL IND (2)· patent assignee history
1994Patents assigned to HITACHI LTD (1)· patent assignee history
1994Based in Kokubunji, JP· patent location history
1994Based in Kusatsu, JP· patent location history
2002Based in Fuji, JP· patent location history
2006–2008Patents assigned to RENESAS TECH CORP (5)· patent assignee history
2006–2008Based in Hitachinaka, JP· patent location history
2011–2013Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history
2011–2013Based in Tokyo, JP· patent location history
2013Patents assigned to HARAGUCHI KEIICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS TECH CORP52006–2008
ASAHI CHEMICAL IND21994–2002
RENESAS ELECTRONICS CORP22011–2013
HARAGUCHI KEIICHIself12013
HITACHI LTD11994
Locations
LocationPatentsSpan
Hitachinaka, JP52006–2008
Tokyo, JP22011–2013
Fuji, JP12002
Kokubunji, JP11994
Kusatsu, JP11994