Inventor · disambiguated record
Seiji Katayama
Also filed as: KATAYAMA SEIJI
27 granted patents·13 pending applications·339 citations·filing 1985–2019
96Inventor score
Top patents by PatentIndex Score
40 records- 0190US6402831B1Concrete containing aqueous slurry of ground calcium carbonateFIMATEC LTD·Filed 2000·Granted Jun 11, 2002·70 cites·6 claims
- 0290US6123009ASwash plate of swash-plate compressorTAIHO KOGYO CO LTD·Filed 1998·Granted Sep 26, 2000·59 cites·18 claims
- 0371US7699585B2Swash plate type compressorTOYOTA JIDOSHOKKI KK·Filed 2006·Granted Apr 20, 2010·4 cites·14 claims
- 0470US8692152B2Laser lap welding method for galvanized steel sheetsKATAYAMA SEIJI·Filed 2009·Granted Apr 8, 2014·4 cites·9 claims
- 0570US4619691AMethod of manufacturing ultra-fine particlesHITACHI LTD·Filed 1985·Granted Oct 28, 1986·24 cites·18 claims
- 0669US4733942AOptical fiber coated with an organopolysiloxane curable with actinic raysSHINETSU CHEMICAL CO·Filed 1986·Granted Mar 29, 1988·25 cites·3 claims
- 0768US7568609B2Welding methodMITSUBISHI HEAVY IND LTD·Filed 2004·Granted Aug 4, 2009·7 cites·23 claims
- 0865US6546841B2Swash plate compressor and piston thereforTOYODA AUTOMATIC LOOM WORKS·Filed 2001·Granted Apr 15, 2003·8 cites·10 claims
- 0965US6484621B1Swash plate type compressor wherein piston head has inner sliding portion for reducing local wearTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Nov 26, 2002·9 cites·6 claims
- 1065US4915980AMethod for producing amorphous metal layerKUROKI KOGYOSHO KK·Filed 1989·Granted Apr 10, 1990·15 cites·6 claims
- 1163US8168031B2Method for metal-resin joining and a metal-resin composite, a method for glass-resin joining and a glass-resin composite, and a method for ceramic-resin joining and a ceramic-resin compositeKATAYAMA SEIJI·Filed 2006·Granted May 1, 2012·2 cites·14 claims
- 1261US6575080B1Single-headed piston for swash plate type compressor wherein head portion has a curved surface at axial endTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Jun 10, 2003·7 cites·12 claims
- 1361US6192784B1Swash plate compressorTOYODA AUTOMATIC LOOM WORKS·Filed 1998·Granted Feb 27, 2001·21 cites·11 claims
- 1459US6694864B2Swash plate type compressorTOYOTA JIDOSHOKKI KK·Filed 2002·Granted Feb 24, 2004·9 cites·4 claims
- 1558US6453555B1Method of producing compressor pistonTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Sep 24, 2002·5 cites·16 claims
- 1657US6393964B1Compressor having piston rotation restricting structure with lubricating inclined guide surfaceTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted May 28, 2002·5 cites·13 claims
- 1757US6332394B1Piston for swash plate type compressor, wherein head portion includes radially inner sliding projection connected to neck portionTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Dec 25, 2001·5 cites·7 claims
- 1857US5168097ALaser deposition process for forming an ultrafine-particle filmHITACHI LTD·Filed 1991·Granted Dec 1, 1992·18 cites·46 claims
- 1953US6751971B2Variable displacement type compressor, air conditioner with the variable displacement type compressor, and method for controlling displacement in the variable displacement type compressorTOYOTA JIDOSHOKKI KK·Filed 2002·Granted Jun 22, 2004·3 cites·18 claims
- 2052US6395404B1Blank used for manufacturing single-headed piston, and method of producing the blankTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted May 28, 2002·3 cites·15 claims
- 2150US6438834B1Method of making a swash plate type compressor piston whose head portion is formed by pore-free die-castingTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Aug 27, 2002·2 cites·12 claims
- 2249US6378416B1Swash plate type compressor piston wherein inner surface of hollow cylindrical section of body portion has axially extending reinforcing projectionsTOYODA AUTOMATIC LOOM WORKS·Filed 2000·Granted Apr 30, 2002·2 cites·6 claims
- 2346US2005156386A1Sealing device and compressorFiled 2005·Application pending·0 cites
- 2444US6217295B1Swash plate type compressorTOYODA AUTOMATIC LOOM WORKS·Filed 1998·Granted Apr 17, 2001·11 cites·19 claims
- 2544US2021237193A1Resistance spot welding joint for aluminum members, and resistance spot welding method for aluminum membersKOBE STEEL LTD·Filed 2019·Application pending·0 cites
- 2642US8257978B2Method of evaluating reaction between dissolved hydrogen and dissolved oxygen and method of evaluating ability of dissolved hydrogen to scavenge active oxygen in waterKATAYAMA SEIJI·Filed 2009·Granted Sep 4, 2012·0 cites·2 claims
- 2742US2012256329A1Processing apparatus for dispersion, dissolution, solubilization, or emulsification of gas/liquid or liquid/liquidKATAYAMA SEIJI·Filed 2010·Application pending·0 cites
- 2842US2010295256A1Installation structure for boot for constant velocity universal joint and method of manufacturing constant velocity universal jointNAKAJIMA TATSUO·Filed 2009·Application pending·0 cites
- 2942US2010160304A1Aromatic sulfone compound as aldosterone receptor modulatorDAINIPPON SUMITOMO PHARMA CO·Filed 2006·Application pending·0 cites
- 3041US2017152853A1Micronizing device of integrated milling function and vane shearing functionEUREKA-LAB INC·Filed 2015·Application pending·0 cites
- 3140US6526869B2Piston for compressors and method for producing the sameTOYODA AUTOMATIC LOOM WORKS·Filed 2001·Granted Mar 4, 2003·0 cites·19 claims
- 3239US2002172603A1CompressorFiled 2002·Application pending·0 cites
- 3338US6610767B1Antistatic inorganic filler, resin composition containing the filler and method for preparing the inorganic fillerFIMATEC LTD·Filed 1999·Granted Aug 26, 2003·8 cites·6 claims
- 3438US2001047720A1Compressor piston and process for producing the compressor pistonFiled 2001·Application pending·0 cites
- 3538US2001042438A1Piston for swash plate type compressorFiled 2001·Application pending·0 cites
- 3638US2001037845A1Piston for swash-plate type compressor and manufacturing method of the sameFiled 2001·Application pending·0 cites
- 3738US2001027721A1Hollow piston for compressorFiled 2001·Application pending·0 cites
- 3838US2001023639A1Method of producing swash plate type compressor pistonFiled 2001·Application pending·0 cites
- 3938US2003075041A1Piston for fluid machine and the fluid machine having the sameFiled 2002·Application pending·0 cites
- 4037US6151796ASubstrate drying device, drying method and substrate dried by the sameKEM TEC JAPAN CO LTD·Filed 1998·Granted Nov 28, 2000·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →