Assignee
TOKAI TRW & CO
JP·29 granted patents·696 citations·filing 1974–1989
Top patents by PatentIndex Score
29 records- 0196US4124003AIgnition method and apparatus for internal combustion engineTOKAI TRW & CO·Filed 1976·Granted Nov 7, 1978·69 cites·8 claims
- 0295US4041922ASystem and device for the ignition of an internal combustion engine using a lean air-fuel mixtureTOKAI TRW & CO·Filed 1975·Granted Aug 16, 1977·77 cites·17 claims
- 0393US4219001AMethod and apparatus for accumulating fuel particles in a portion of a combustion chamberTOKAI TRW & CO·Filed 1977·Granted Aug 26, 1980·60 cites·32 claims
- 0489US4457390APower steering deviceTOKAI TRW & CO·Filed 1982·Granted Jul 3, 1984·45 cites·7 claims
- 0584US3945739ABall jointTOKAI TRW & CO·Filed 1974·Granted Mar 23, 1976·33 cites·3 claims
- 0683US4392540APower steering device for a vehicleTOKAI TRW & CO·Filed 1980·Granted Jul 12, 1983·58 cites·12 claims
- 0780US4785901ARack and pinion steering gear with electric power assistanceTOKAI TRW & CO·Filed 1987·Granted Nov 22, 1988·36 cites·2 claims
- 0877US4256413AStructure for mounting ball jointTOKAI TRW & CO·Filed 1977·Granted Mar 17, 1981·36 cites·1 claims
- 0971US4916788AMethod of manufacturing ball jointTOKAI TRW & CO·Filed 1989·Granted Apr 17, 1990·32 cites·1 claims
- 1071US4856607AApparatus for automatically setting steering center for use in power steering apparatusTOKAI TRW & CO·Filed 1988·Granted Aug 15, 1989·33 cites·7 claims
- 1171US4709593ASteering mechanism for automobileTOKAI TRW & CO·Filed 1986·Granted Dec 1, 1987·22 cites·3 claims
- 1268US4499964APower steering systemTOKAI TRW & CO·Filed 1982·Granted Feb 19, 1985·20 cites·8 claims
- 1365US4284054ALean air-fuel mixture attraction method and attraction electrode plug in engineTOKAI TRW & CO·Filed 1979·Granted Aug 18, 1981·15 cites·1 claims
- 1463US4880329AJointTOKAI TRW & CO·Filed 1988·Granted Nov 14, 1989·21 cites·4 claims
- 1560US3959872AMethod for producing a core form to be employed in the molding of a ball joint bearingTOKAI TRW & CO·Filed 1975·Granted Jun 1, 1976·14 cites·5 claims
- 1655US4644241ASingle phase to three phase signal converterTOKAI TRW & CO·Filed 1985·Granted Feb 17, 1987·16 cites·5 claims
- 1755US4417640AElectrically driven oil pressured power steering apparatusTOKAI TRW & CO·Filed 1981·Granted Nov 29, 1983·13 cites·16 claims
- 1854US4618809AApparatus for converting single-phase power to three-phase outputsTOKAI TRW & CO·Filed 1985·Granted Oct 21, 1986·15 cites·3 claims
- 1951US4759419AVehicle speed responsive power steering assemblyTOKAI TRW & CO·Filed 1986·Granted Jul 26, 1988·15 cites·2 claims
- 2047US4802544AElectric power steering apparatus having motor braking functionTOKAI TRW & CO·Filed 1987·Granted Feb 7, 1989·11 cites·2 claims
- 2145US4768268AMethod for manufacturing a single-piece type valve sleeveTOKAI TRW & CO·Filed 1987·Granted Sep 6, 1988·11 cites·8 claims
- 2241US4694927AVehicular speed responsive power steering deviceTOKAI TRW & CO·Filed 1986·Granted Sep 22, 1987·12 cites·2 claims
- 2339US4512367ARotation detecting apparatusTOKAI TRW & CO·Filed 1983·Granted Apr 23, 1985·6 cites·5 claims
- 2438US4573372ARack-pinion steering gear and method for cutting rack teethTOKAI TRW & CO·Filed 1985·Granted Mar 4, 1986·5 cites·5 claims
- 2538US4521141AMethod for cutting rack teethTOKAI TRW & CO·Filed 1983·Granted Jun 4, 1985·4 cites·3 claims
- 2637US4217793ARack and pinion type steering gearTOKAI TRW & CO·Filed 1978·Granted Aug 19, 1980·4 cites·7 claims
- 2731US4549628APower steering deviceTOKAI TRW & CO·Filed 1983·Granted Oct 29, 1985·5 cites·10 claims
- 2826US4768554AControl valveTOKAI TRW & CO·Filed 1986·Granted Sep 6, 1988·2 cites·3 claims
- 2924US4932234AMethod of forming tappet adjusting screwsTOKAI TRW & CO·Filed 1989·Granted Jun 12, 1990·6 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when TOKAI TRW & CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →