Inventor

Keiji Harada

Inventor
Yamanashi, JP

Overview

6→
Patents
1985–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

B41Jprimary
B41JTypewriters17%
G06FElectric digital data processing17%
F24CDomestic stoves or ranges8%
G03GElectrography8%
H01HElectric switches8%
H02HEmergency protective circuit arrangements8%
H02JElectric power networks8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H05BElectric heating8%
H10DInorganic electric semiconductor devices8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to NEC CORP (1)· patent assignee history
1999Based in Shiga, JP· patent location history
2009–2016Patents assigned to CANON KK (3)· patent assignee history
2009Based in Kanagawa, JP· patent location history
2015Based in Yokohama, JP· patent location history
2016Based in Yokohoma, JP· patent location history
2021Patents assigned to HARADA KAORI (1)· patent assignee history
2021Patents assigned to HIROSE MITSUAKI (1)· patent assignee history
2021Patents assigned to NAKAMURA HIDEKI (1)· patent assignee history
2021Based in Yamanashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK32009–2016
HARADA KAORIself12021
HIROSE MITSUAKI12021
NAKAMURA HIDEKI12021
NEC CORP11985
Locations
LocationPatentsSpan
Yamanashi, JP12021
Yokohoma, JP12016
Yokohama, JP12015
Kanagawa, JP12009
Shiga, JP11999