Inventor
Junichi Makino
Inventor
Katsuta, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines30%
G01CMeasuring distances, levels or bearings30%
G01FMeasuring volume, volume flow, mass flow or liquid level20%
F02BInternal-combustion piston engines10%
H02HEmergency protective circuit arrangements10%
PatentTitleYear
5,264,914'Interference sensor and method utilizing extracted alliasing frequency components'19935,211,056'Thermal type intake air flow measuring instrument'19935,208,652'An improved optical branching/coupling unit for an optical fiber gyroscope, and navigation system employing the same'19935,107,812'Thermal type intake air flow measuring instrument and internal combustion engine control apparatus using this measuring instrument'19925,050,562'Apparatus and method for controlling a car'19914,796,993'Phase modulation type fiber optic gyroscope'19893,984,737'Protective relaying system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to HITACHI LTD (7)· patent assignee history
1976Based in Hitachi, JP· patent location history
1989–1993Based in Katsuta, JP· patent location history
1993Patents assigned to HITACHI CABLE (2)· patent assignee history
1993Based in Ibaraki-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1976–1993 |
| HITACHI CABLE | 2 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 5 | 1989–1993 |
| Ibaraki-shi, JP | 1 | 1993 |
| Hitachi, JP | 1 | 1976 |