Inventor
Takehiro Kikuchi
Inventor
Hitachi, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Bprimary
H02BBoards, substations or switching arrangements for the supply or distribution of electric power33%
F02DControlling combustion engines27%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
G01CMeasuring distances, levels or bearings7%
H01FMagnets7%
H01TSpark gaps7%
H04MTelephonic communication7%
Y02TClimate change mitigation technologies related to transportation7%
PatentTitleYear
6,256,558'Vehicle display system with drive enforcement control'20015,367,432'Instrument current transformer for power cables'19945,045,968'Gas insulated switchgear with bus-section-unit circuit breaker and disconnect switches connected to external lead-out means connectable to other gas insulated switchgear'19914,663,717'Fuel control system having sensor verification dual modes'19874,638,403'Gas-insulated switchgear apparatus'19874,574,761'Electronic fuel injection control system for internal combustion engine'19864,546,747'Lean mixture control system using a biased oxygen concentration sensor'19854,348,727'Air-fuel ratio control apparatus'19824,045,634'Gas insulated switch-gear apparatus'19774,031,347'Protective gas cap for electric power apparatuses'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1994Patents assigned to HITACHI LTD (5)· patent assignee history
1977–1994Based in Hitachi, JP· patent location history
1982–1987Patents assigned to NIPPON DENSO CO (4)· patent assignee history
1982–2001Based in Kariya, JP· patent location history
1985–1987Based in Oobu, JP· patent location history
2001Patents assigned to DENSO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1977–1994 |
| NIPPON DENSO CO | 4 | 1982–1987 |
| DENSO CORP | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 5 | 1977–1994 |
| Kariya, JP | 3 | 1982–2001 |
| Oobu, JP | 2 | 1985–1987 |