Inventor
Keijiro Igarashi
Inventor
Gunma, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines47%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids16%
Y10TTechnical subjects covered by former us classification16%
F04BPositive-displacement machines for liquids11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
7,102,264'Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor'20066,873,081'Brushless DC motor and refrigerant compressor employing the motor'20056,737,783'Sealed motor compressor'20046,703,748'Brushless DC motor and refrigerant compressor employing the motor'20046,700,270'Synchronous induction motor'20046,582,207'Motor compressor and cooling apparatus using the same'20036,414,413'Brushless DC motor and refrigerant compressor employing the motor'20026,147,428'Rotor of electric motor'20005,666,015'Electric motor for a compressor with a rotor with combined balance weights and oil separation disk'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2006Patents assigned to SANYO ELECTRIC CO (9)· patent assignee history
1997Based in Ohta, JP· patent location history
2000–2005Based in Gunma, JP· patent location history
2003–2006Based in Ota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 9 | 1997–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gunma, JP | 5 | 2000–2005 |
| Ota, JP | 3 | 2003–2006 |
| Ohta, JP | 1 | 1997 |