Inventor · disambiguated record
Tatsuo Natori
Also filed as: HAYASHI MASAKATSU · NATORI TATSUO
14 granted patents·464 citations·filing 1978–1998
94Inventor score
Files withHITACHI LTD14
Top patents by PatentIndex Score
14 records- 0193US5017102AMagnetically coupled pump and nuclear reactor incorporating said pumpHITACHI LTD·Filed 1989·Granted May 21, 1991·84 cites·8 claims
- 0291US5364250AOil-free screw compressor and method of manufactureHITACHI LTD·Filed 1993·Granted Nov 15, 1994·65 cites·15 claims
- 0391US4812278AProcess for preparing moldHITACHI LTD·Filed 1987·Granted Mar 14, 1989·39 cites·41 claims
- 0491US4285385AMethod for the production of heat exchangersHITACHI LTD·Filed 1979·Granted Aug 25, 1981·53 cites·2 claims
- 0581US4808360AMethod of producing mold for slip casting and method of molding slip castingHITACHI LTD·Filed 1987·Granted Feb 28, 1989·38 cites·29 claims
- 0679US5314321AScrew-type rotary fluid machine including rotors having treated surfacesHITACHI LTD·Filed 1992·Granted May 24, 1994·39 cites·4 claims
- 0779US5052464AMethod of casting a member having an improved surface layerHITACHI LTD·Filed 1989·Granted Oct 1, 1991·34 cites·4 claims
- 0869US6142755AScroll compressor and method of manufacturing sameHITACHI LTD·Filed 1998·Granted Nov 7, 2000·21 cites·15 claims
- 0969US5223052AMethod of treating surfaces of rotors of the screw type rotary machineHITACHI LTD·Filed 1991·Granted Jun 29, 1993·27 cites·8 claims
- 1066US4871497ASlip casting methodHITACHI LTD·Filed 1986·Granted Oct 3, 1989·22 cites·16 claims
- 1156US4235277AMethod of forming three-dimensional network porous metallic structure having continuous internal cavityHITACHI LTD·Filed 1978·Granted Nov 25, 1980·15 cites·7 claims
- 1253US4659526ASlip casting forming method and moldHITACHI LTD·Filed 1985·Granted Apr 21, 1987·14 cites·13 claims
- 1343US4604141ASlip casting moldHITACHI LTD·Filed 1984·Granted Aug 5, 1986·8 cites·4 claims
- 1435US4883621AMethod for forming cast article by slip castingHITACHI LTD·Filed 1986·Granted Nov 28, 1989·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →