Inventor · disambiguated record
Yujiro Oshima
Also filed as: OSHIMA YUJIRO
19 granted patents·2,631 citations·filing 1975–1994
97Inventor score
Top patents by PatentIndex Score
19 records- 0198US5412946ANOx decreasing apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1992·Granted May 9, 1995·249 cites·27 claims
- 0298US4106446AInternal combustion engine with auxiliary combustion chamberTOYODA CHUO KENKYUSHO KK·Filed 1975·Granted Aug 15, 1978·1.4k cites·2 claims
- 0397US5272871AMethod and apparatus for reducing nitrogen oxides from internal combustion engineTOYODA CHUO KENKYUSHO KK·Filed 1992·Granted Dec 28, 1993·319 cites·20 claims
- 0497US4345555ASelf-heating ignition plugTOYODA CHUO KENKYUSHO KK·Filed 1980·Granted Aug 24, 1982·63 cites·38 claims
- 0596US5441401AMethod of decreasing nitrogen oxides in combustion device which performs continuous combustion, and apparatus thereforAISIN SEIKI·Filed 1992·Granted Aug 15, 1995·121 cites·1 claims
- 0693US4305352AInternal combustion engineTOYODA CHUO KENKYUSHO KK·Filed 1978·Granted Dec 15, 1981·106 cites·19 claims
- 0786US5401371AHydrogen generatorAISIN SEIKI·Filed 1993·Granted Mar 28, 1995·44 cites·18 claims
- 0883US4721253AIntermittent type swirl injection nozzleTOYODA CHUO KENKYUSHO KK·Filed 1985·Granted Jan 26, 1988·58 cites·1 claims
- 0983US4543929ATurbulence generating method and internal combustion engine for carrying out the sameTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Oct 1, 1985·35 cites·18 claims
- 1077US5474745ACatalytic converter for purifying exhaust gasTOYODA CHUO KENKYUSHO KK·Filed 1994·Granted Dec 12, 1995·35 cites·22 claims
- 1177US4641617ADirect injection type internal combustion engineTOYODA CHUO KENKYUSHO KK·Filed 1984·Granted Feb 10, 1987·26 cites·16 claims
- 1274US4408479AKnocking detecting device for internal combustion enginesTOYODA CHUO KENKYUSHO KK·Filed 1982·Granted Oct 11, 1983·30 cites·11 claims
- 1373US4193382AStratified charge type combustion process for internal combustion engine and internal combustion engine utilizing sameTOYODA CHUO KENKYUSHO KK·Filed 1976·Granted Mar 18, 1980·20 cites·62 claims
- 1471US4653694AIntermittent type swirl injection nozzleTOYODA CHUO KENKYUSHO KK·Filed 1985·Granted Mar 31, 1987·21 cites·4 claims
- 1569US4473046ADirect injection type internal combustion engineTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Sep 25, 1984·21 cites·4 claims
- 1665US4522172ADirect injection internal combustion engine of compression ignition typeTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Jun 11, 1985·17 cites·12 claims
- 1765US4483179AMethod of and device for detection of knocking for internal combustion engineTOYODA CHUO KENKYUSHO KK·Filed 1981·Granted Nov 20, 1984·21 cites·27 claims
- 1855US4633830ADirect injection internal combustion engine of compression ignition typeTOYODA CHUO KENKYUSHO KK·Filed 1984·Granted Jan 6, 1987·13 cites·19 claims
- 1945US4526143ADirect injection internal combustion engine of compression ignition typeTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Jul 2, 1985·8 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →