Inventor · disambiguated record
Takao Niwa
Also filed as: NIWA TAKAO
21 granted patents·477 citations·filing 1974–1987
96Inventor score
Top patents by PatentIndex Score
21 records- 0195US4134380AAutomobile oil pan assemblyTOYOTA MOTOR CO LTD·Filed 1977·Granted Jan 16, 1979·72 cites·5 claims
- 0287US4584907AMethod for controlling a rate of changing an RPM ratio in a continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Apr 29, 1986·39 cites·14 claims
- 0383US4653006AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 24, 1987·37 cites·8 claims
- 0483US4649488AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 10, 1987·37 cites·13 claims
- 0579US4656587AApparatus for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Apr 7, 1987·29 cites·1 claims
- 0678US4658360AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Apr 14, 1987·31 cites·8 claims
- 0777US4561327AApparatus for controlling speed ratios of a continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Dec 31, 1985·26 cites·5 claims
- 0876US4653005AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 24, 1987·26 cites·6 claims
- 0974US4653004AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 24, 1987·25 cites·14 claims
- 1071US4683779AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Aug 4, 1987·23 cites·9 claims
- 1168US4727771AMethod for controllig a controlling a continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 1, 1988·21 cites·5 claims
- 1263US4735112AApparatus for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1986·Granted Apr 5, 1988·20 cites·4 claims
- 1362US4642068AApparatus for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Feb 10, 1987·16 cites·4 claims
- 1460US4483301AMethod and apparatus for controlling fuel injection in accordance with calculated basic amountNIPPON DENSO CO·Filed 1982·Granted Nov 20, 1984·13 cites·12 claims
- 1557US4653007AApparatus for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 24, 1987·14 cites·2 claims
- 1656US4649487AMethod and apparatus for controlling continuously variable transmission for vehicleTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 10, 1987·13 cites·13 claims
- 1756US4014960ACarburator for a stratified combustion engine with a prechamberTOYOTA MOTOR CO LTD·Filed 1975·Granted Mar 29, 1977·8 cites·1 claims
- 1854US4649485AApparatus for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 10, 1987·12 cites·8 claims
- 1948US3987776ACombustion chamber structure for a spark ignition engineTOYOTA MOTOR CO LTD·Filed 1974·Granted Oct 26, 1976·8 cites·17 claims
- 2041US4108951AAccelerator pump systemTOYOTA MOTOR CO LTD·Filed 1977·Granted Aug 22, 1978·4 cites·3 claims
- 2135US4112877AInternal combustion engineTOYOTA MOTOR CO LTD·Filed 1976·Granted Sep 12, 1978·3 cites·12 claims
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