Inventor
Tokiyoshi Yanai
Inventor
Yokosuka, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles50%
Y10TTechnical subjects covered by former us classification14%
B23PMetal-working not otherwise provided for7%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
F16HGearing7%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
F16DCouplings for transmitting rotation4%
PatentTitleYear
5,396,421'Torque distribution control device'19955,232,410'Rotational speed differential responsive type control coupling'19935,194,053'Rotational speed differential responsive type control coupling with variable transfer torque control means'19934,751,976'Steering system for automotive vehicle or the like'19884,745,985'Automotive vehicle power-steering system and method'19884,669,360'Power steering system'19874,650,019'Electrical motor type power-steering system'19874,634,135'Steering system controlling transverse displacement of a gear housing'19874,541,499'Vehicular power steering having steering effort control system'19854,530,414'Steering assistance pressure control apparatus'19854,516,422'Method of manufacturing racks for variable ratio steering gears'19854,513,835'Steering control apparatus'19854,473,128'Vehicular power steering system'19844,444,070'Variable ratio rack and pinion steering gear'19844,418,779'Control apparatus for vehicle steering system'19834,410,059'Fluid-operated control apparatus for power-assisted steering system of automotive vehicle'19834,255,980'Variable ratio steering gear'19813,995,977'Vane pump housing'19763,986,408'Variable ratio vehicle steering gear'19763,986,487'Rotary type fuel injection pump'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1995Patents assigned to NISSAN MOTOR (20)· patent assignee history
1976–1988Based in Yokosuka, JP· patent location history
1988–1995Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN MOTOR | 20 | 1976–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokosuka, JP | 16 | 1976–1988 |
| Kanagawa, JP | 4 | 1988–1995 |