Inventor

Susumu Tajima

Inventor
Hitachinaka, JP

Overview

13→
Patents
1993–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

H02Kprimary
H02KDynamo-electric machines31%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles13%
B60LPropulsion of electrically-propelled vehicles13%
B60WConjoint control of vehicle sub-units of different type or different function13%
Y02TClimate change mitigation technologies related to transportation13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
F02NStarting of combustion engines3%
H05KPrinted circuits3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2010Patents assigned to HITACHI LTD (11)· patent assignee history
1993Patents assigned to HITACHI AUTOMOTIVE ENG (1)· patent assignee history
1993Based in Katsuta, JP· patent location history
2003–2010Based in Hitachinaka, JP· patent location history
2005Patents assigned to HITACHI CAR ENG CO LTD (1)· patent assignee history
2005Patents assigned to NISSAN MOTOR (1)· patent assignee history
2021Patents assigned to TDK 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 LTD111993–2010
HITACHI AUTOMOTIVE ENG11993
HITACHI CAR ENG CO LTD12005
NISSAN MOTOR12005
TDK CORP12021
Locations
LocationPatentsSpan
Hitachinaka, JP112003–2010
Tokyo, JP12021
Katsuta, JP11993