Inventor
Nobukazu Takagi
Inventor
Konan, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids23%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters10%
F04BPositive-displacement machines for liquids6%
F25BRefrigeration machines, plants or systems6%
H02KDynamo-electric machines6%
Y02TClimate change mitigation technologies related to transportation6%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
F02BInternal-combustion piston engines3%
F02DControlling combustion engines3%
PatentTitleYear
9,929,416'Fuel cell vehicle coolant having improved storage stability and method for producing the same'20185,915,070'Motor driving apparatus for pulse-width modulation controlling a DC voltage according to a rotation speed setting information'19995,593,297'Scroll type compressor'19975,551,852'Scroll type compressor having a seal bearing unit'19965,518,373'Compressor start-up controller'19965,472,328'Scroll type compressor having an oil seal bearing for the drive shaft'19955,253,481'Control unit for activating compressor'19935,073,093'Scroll-type fluid handling machine'19915,006,045'Scroll compressor with reverse rotation speed limiter'19914,870,939'Distribution-type fuel injection system controlled by electromagnetic valve'19894,844,035'Fuel injection device'19894,643,223'Solenoid valve'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1991Patents assigned to DIESEL KIKI CO (5)· patent assignee history
1987Based in Higashimasyuyama, JP· patent location history
1989–1993Based in Higashimatsuyama, JP· patent location history
1991–1996Patents assigned to SEIKO EPSON CORP (4)· patent assignee history
1991Based in Saitama, JP· patent location history
1993–1999Patents assigned to ZEXEL CORP (6)· patent assignee history
1995–1999Based in Konan, JP· patent location history
1997Patents assigned to TAMA MFG (1)· patent assignee history
2018Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2018Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZEXEL CORP | 6 | 1993–1999 |
| DIESEL KIKI CO | 5 | 1987–1991 |
| SEIKO EPSON CORP | 4 | 1991–1996 |
| TAMA MFG | 1 | 1997 |
| TOYOTA MOTOR CO LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Konan, JP | 5 | 1995–1999 |
| Higashimatsuyama, JP | 3 | 1989–1993 |
| Saitama, JP | 2 | 1991 |
| Shizuoka, JP | 1 | 2018 |
| Higashimasyuyama, JP | 1 | 1987 |