Inventor · disambiguated record
Takeo Nakagawa
Also filed as: NAKAGAWA TAKEO
35 granted patents·10 pending applications·860 citations·filing 1974–2011
98Inventor score
Files withHONGFUJIN PREC IND SHENZHEN11RIKAGAKU KENKYUSHO7HON HAI PREC IND CO LTD5AIDA ENG LTD3AISIN SEIKI2
Top patents by PatentIndex Score
45 records- 0196US4472955AMetal sheet forming process with hydraulic counterpressureAMINO IRON WORKS·Filed 1983·Granted Sep 25, 1984·68 cites·10 claims
- 0293US4640156AProduction of short metal fibersRESEARCH DEV CORP·Filed 1984·Granted Feb 3, 1987·57 cites·5 claims
- 0393US4531705AComposite and durable forming model with permeabilitySINTOKOGIO LTD·Filed 1984·Granted Jul 30, 1985·89 cites·14 claims
- 0491US8052033B2Friction stir welding methodHONGFUJIN PREC IND SHENZHEN·Filed 2010·Granted Nov 8, 2011·10 cites·6 claims
- 0590US7971770B2Friction stir methodHONGFUJIN PREC IND SHENZHEN·Filed 2010·Granted Jul 5, 2011·10 cites·19 claims
- 0690US6180050B1Optical formation device and methodRIKAGAKU KENKYUSHO·Filed 1998·Granted Jan 30, 2001·79 cites·28 claims
- 0788US5165205ADevice for vibrating materials to be groundJAPAN RES DEV CORP·Filed 1988·Granted Nov 24, 1992·37 cites·10 claims
- 0884US8220694B2Friction stir welding method and friction stir welded housingNAKAGAWA KOICHI·Filed 2010·Granted Jul 17, 2012·6 cites·10 claims
- 0984US5780070AApparatus for solidifying and shaping optically cured fluid by carrying out scanning simultaneously with recoatingRIKAGAKU KENKYUSHO·Filed 1997·Granted Jul 14, 1998·56 cites·20 claims
- 1082US4298660ASteel fiber for reinforced concreteKEINOSUKE AIDA·Filed 1978·Granted Nov 3, 1981·27 cites·6 claims
- 1179US7398603B2Distance measuring probe with air discharge systemHON HAI PREC IND CO LTD·Filed 2006·Granted Jul 15, 2008·10 cites·19 claims
- 1279US5942138AProcess of producing laminar structure by bonding of sheet metal blanks after preliminary bondingTOYOTA MOTOR CO LTD·Filed 1997·Granted Aug 24, 1999·31 cites·10 claims
- 1378US6342680B1Conductive plastic with lead-free solder additiveJAPAN SCIENCE & TECH CORP·Filed 1998·Granted Jan 29, 2002·33 cites·8 claims
- 1476US7490413B2Contour measuring device with error correcting unitHONGFUJIN PREC IND SHENZHEN·Filed 2007·Granted Feb 17, 2009·8 cites·14 claims
- 1576US5919012AMethod of high speed cutting mold and ultra-high speed milling machineRIKAGAKU KENKYUSHO·Filed 1996·Granted Jul 6, 1999·40 cites·11 claims
- 1674US8167188B2Friction stir welding methodNAKAGAWA KOICHI·Filed 2011·Granted May 1, 2012·2 cites·7 claims
- 1774US6224469B1Combined cutting and grinding toolRIKAGAKU KENKYUSHO·Filed 1998·Granted May 1, 2001·46 cites·4 claims
- 1873US5045664AMachine tool with grinding function and truing/dressing method of grinding stone using itYAMAZAKI MAZAK CORP·Filed 1990·Granted Sep 3, 1991·36 cites·16 claims
- 1967US4776885ASintered composite materials with short metal fibers as matrixNAKAGAWA TAKEO·Filed 1987·Granted Oct 11, 1988·23 cites·7 claims
- 2065US4560622ASteel fiber for reinforcing concrete and production thereofAIDA ENG LTD·Filed 1984·Granted Dec 24, 1985·21 cites·3 claims
- 2164US3978706APrecision bending work method for metallic materialsNIPPON KOKAN KK·Filed 1974·Granted Sep 7, 1976·19 cites·2 claims
- 2263US5204315ASuperconductor wire and process for production thereofAISIN SEIKI·Filed 1992·Granted Apr 20, 1993·20 cites·3 claims
- 2362US6589459B2Method of forming conductive circuitsJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Jul 8, 2003·7 cites·9 claims
- 2460US5639363AApparatus and method for mirror surface grinding and grinding wheel thereforeRIKAGAKU KENKYUSHO·Filed 1995·Granted Jun 17, 1997·21 cites·20 claims
- 2560US4703898AMethod for producing ultra fine and short metal fibersJAPAN RES DEV CORP·Filed 1986·Granted Nov 3, 1987·18 cites·13 claims
- 2659US5647410APowder molding machine and method for filling molding materials into a die cavity thereofFANUC LTD·Filed 1993·Granted Jul 15, 1997·13 cites·7 claims
- 2757US6126523AOptical dressing method, machining device based on this method, grindstone and polishing clothRIKAGAKU KENKYUSHO·Filed 1998·Granted Oct 3, 2000·19 cites·13 claims
- 2855US5910040AMethod of controlling shape and NC processing apparatus utilizing the methodRIKAGAKU KENKYUSHO·Filed 1996·Granted Jun 8, 1999·22 cites·9 claims
- 2953US4603509AMagnetic attraction system grinding methodAIDA ENG LTD·Filed 1984·Granted Aug 5, 1986·8 cites·19 claims
- 3051US4198884AMethod of manufacturing a punching dieAIDA ENG LTD·Filed 1978·Granted Apr 22, 1980·10 cites·6 claims
- 3149US2008318746A1Machine toolHONGFUJIN PREC IND SHENZHEN·Filed 2007·Application pending·0 cites
- 3249US2009003955A1Machine toolHONGFUJIN PREC IND SHENZHEN·Filed 2007·Application pending·0 cites
- 3349US2009003954A1Machine toolHONGFUJIN PREC IND SHENZHEN·Filed 2007·Application pending·0 cites
- 3449US2009003945A1Machine toolHONGFUJIN PREC IND SHENZHEN·Filed 2007·Application pending·0 cites
- 3546US5374612A"Oxide superconductor wire having sintered silver powder layers"AISIN SEIKI·Filed 1992·Granted Dec 20, 1994·8 cites·4 claims
- 3646US2006006559A1Light guide plate mold and method for manufacturing the sameHON HAI PREC IND CO LTD·Filed 2005·Application pending·0 cites
- 3744US2005286009A1Glass substrate for packing liquid crystals, method for manufacturing same, and LCD device using sameHON HAI PREC IND CO LTD·Filed 2005·Application pending·0 cites
- 3843US7654008B2Contour measuring method for measuring aspects of objectsHONGFUJIN PREC IND SHENZHEN·Filed 2007·Granted Feb 2, 2010·0 cites·15 claims
- 3942US7726036B2Contour measuring probeHONGFUJIN PREC IND SHENZHEN·Filed 2007·Granted Jun 1, 2010·0 cites·17 claims
- 4042US7725290B2Contour measuring method for measuring aspects of objectsHONGFUJIN PREC IND SHENZHEN·Filed 2007·Granted May 25, 2010·0 cites·13 claims
- 4141US2006055085A1Layered metal mold and method of using the same for moldingSEKISOU FORMING TOOL LAB·Filed 2005·Application pending·0 cites
- 4240US2006002138A1Light guide plate and method for munufacturing the sameHON HAI PREC IND CO LTD·Filed 2005·Application pending·0 cites
- 4340US2011135954A1Friction stir welding method and friction stir welded housingHONGFUJIN PREC IND SHENZHEN·Filed 2010·Application pending·0 cites
- 4438US4395778AUndesired signal cancellerSONY CORP·Filed 1980·Granted Jul 26, 1983·6 cites·10 claims
- 4538US2006000101A1Measurement probe for profilometer and method for manufacturing sameHON HAI PREC IND CO LTD·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →