LexDanaLexDanabeta
Inventor

Satoru Kajiwara

Inventor
Hitachi, JP

Overview

10→
Patents
2001–2021
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.

H01Hprimary
H01HElectric switches64%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power21%
B60TVehicle brake control systems or parts thereof7%
E02FDredging7%
PatentTitleYear
10,920,402Emergency stop apparatus and method for working machine20218,426,754'Electrical contact for vacuum valve'20137,683,286'Switchgear'20107,679,023'Switchgear'20107,662,208'Electrical contacts for vacuum circuit breakers and methods of manufacturing the same'20107,457,105'Vacuum switchgear system and kit for system'20087,223,932'Vacuum Switchgear'20077,135,652'Vacuum switchgear'20066,268,579'Vacuum switchgear'2001RE037244'Insulated type switching device'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2013Patents assigned to HITACHI LTD (9)· patent assignee history
2001–2013Based in Hitachi, JP· patent location history
2013Patents assigned to KAJIWARA SATORU (1)· patent assignee history
2013Patents assigned to KIKUCHI SHIGERU (1)· patent assignee history
2013Patents assigned to KOBAYASHI MASATO (1)· patent assignee history
2021Patents assigned to NIPPO CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD92001–2013
KAJIWARA SATORUself12013
KIKUCHI SHIGERU12013
KOBAYASHI MASATO12013
NIPPO CORP12021
Locations
LocationPatentsSpan
Hitachi, JP92001–2013
Tokyo, JP12021