Inventor
Masao Tokunaga
Inventor
Gamagori, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Sprimary
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for13%
B62DMotor vehicles13%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
G01DMeasuring not specially adapted for a specific variable9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B60LPropulsion of electrically-propelled vehicles4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
8,766,566'System for causing temperature rise in battery'20147,089,809'Torque sensor and electric power steering system having same'20067,047,824'Electric power steering system having a torque sensor'20067,019,516'Magnetic sensor unit less responsive to leaking magnetic flux'20066,880,411'Torque sensor and electric power steering system having same'20056,867,583'Displacement sensor'20056,765,631'Vehicle windshield rain sensor'20046,627,910'Precipitation sensor'20036,617,813'Wiper control system and method for controlling wiper'20035,966,111'Matrix type liquid crystal display device'19995,929,833'Matrix liquid crystal display having temperature-dependent element drive timing and method of driving the same'19995,046,823'Ferroelectric liquid crystal electro-optic apparatus and manufacturing method thereof'19914,758,449'Method for making a phosphor layer'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Based in Takatsuki, JP· patent location history
1991–1999Patents assigned to NIPPON DENSO CO (2)· patent assignee history
1991–2014Based in Gamagori, JP· patent location history
1999–2014Patents assigned to DENSO CORP (10)· patent assignee history
1999Based in Gamagoori, JP· patent location history
2003–2014Patents assigned to NIPPON SOKEN (5)· patent assignee history
2014Patents assigned to BABA HIROYASU (1)· patent assignee history
2014Patents assigned to IRITANI KUNIO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 10 | 1999–2014 |
| NIPPON SOKEN | 5 | 2003–2014 |
| NIPPON DENSO CO | 2 | 1991–1999 |
| BABA HIROYASU | 1 | 2014 |
| IRITANI KUNIO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gamagori, JP | 11 | 1991–2014 |
| Gamagoori, JP | 1 | 1999 |
| Takatsuki, JP | 1 | 1988 |