Inventor
Hiroshi Kamifuji
Inventor
Katsuta, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines45%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof23%
Y02TClimate change mitigation technologies related to transportation9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
G01FMeasuring volume, volume flow, mass flow or liquid level5%
H02KDynamo-electric machines5%
PatentTitleYear
RE034216'Method of and apparatus for controlling engine revolution speed'19935,146,898'Fuel injection control apparatus for an internal combustion engine'19924,966,118'Fuel injection control apparatus for an internal combustion engine'19904,879,982'Method of and apparatus for controlling engine revolution speed'19894,873,960'Electronically-controlled fuel injection system for internal combustion engines'19894,639,624'Torque motor having a coil with finite turning range'19874,601,271'Throttle valve controlling apparatus'19864,547,852'Engine control apparatus and control method'19854,522,175'Rotational speed control apparatus for internal combustion engines'19854,494,498'Air-fuel ratio control system for engine starting'19854,480,618'Apparatus for enriching fuel upon engine starting operation'19844,442,818'Fuel injection apparatus for internal combustion engines'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1992Patents assigned to HITACHI LTD (11)· patent assignee history
1984–1992Patents assigned to HITACHI AUTOMOTIVE ENG (6)· patent assignee history
1984–1993Based in Katsuta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1984–1992 |
| HITACHI AUTOMOTIVE ENG | 6 | 1984–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 12 | 1984–1993 |