Inventor
Keizaburo Usui
Inventor
Yokohama, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing26%
Y10TTechnical subjects covered by former us classification17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B60WConjoint control of vehicle sub-units of different type or different function9%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
E05BLocks4%
F02BInternal-combustion piston engines4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
F16CShafts4%
F16DCouplings for transmitting rotation4%
PatentTitleYear
4,691,584'Actuator for remote devices or the like'19874,318,312'Gearshift control system for automatic transmissions using air flow sensor'19824,195,720'Counter shaft automatic power transmission'19804,194,608'Controls for clutch, motor and transmission'19804,193,264'Pressured fluid supply system'19804,168,638'Fluid pressure supply arrangement for fluid operated countershaft power transmission'19794,141,240'Flow rate measuring device'19794,136,576'Countershaft type power transmission'19794,078,429'Wobble plate flow-rate measuring device'19784,023,443'Transmission synchronizing mechanism'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1982Patents assigned to NISSAN MOTOR (9)· patent assignee history
1977–1987Based in Yokohama, JP· patent location history
1987Patents assigned to OHI SEISAKUSHO CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN MOTOR | 9 | 1977–1982 |
| OHI SEISAKUSHO CO LTD | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 10 | 1977–1987 |