Inventor
Hideo Sobue
Inventor
Nagoya, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Fprimary
G01FMeasuring volume, volume flow, mass flow or liquid level38%
H10NElectric solid-state devices not otherwise provided for25%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general13%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,751,014'Piezoelectric composite material'19884,743,392'Piezoelectric composite material'19884,703,652'Piezoelectric type liquid level sensor and fabricating method thereof'19874,694,440'Underwater acoustic wave transmitting and receiving unit'19874,610,164'Method of detecting liquid level'19864,570,483'Piezo-electric level sensor for internal combustion engine'19864,483,180'Method and device for checking an operating condition of an internal combustion engine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1988Patents assigned to NGK SPARK PLUG CO (7)· patent assignee history
1984Patents assigned to NISSAN MOTOR (1)· patent assignee history
1984–1988Based in Nagoya, JP· patent location history
1986–1987Based in Aichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK SPARK PLUG CO | 7 | 1984–1988 |
| NISSAN MOTOR | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 5 | 1984–1988 |
| Aichi, JP | 2 | 1986–1987 |