Inventor · disambiguated record
Katsunobu Hagiwara
Also filed as: HAGIWARA KATSUNOBU
13 granted patents·183 citations·filing 1980–2010
92Inventor score
Top patents by PatentIndex Score
13 records- 0184US4718771AClosed mixing machineKOBE STEEL LTD·Filed 1986·Granted Jan 12, 1988·38 cites·1 claims
- 0280US7854542B2Batch mixer and mixing rotor used in the sameKOBE STEEL LTD·Filed 2005·Granted Dec 21, 2010·7 cites·11 claims
- 0376US4304539AExtruder with roller dieKOBE STEEL LTD·Filed 1980·Granted Dec 8, 1981·34 cites·3 claims
- 0471US8882337B2Closed kneading machine and kneading rotorYOSHIDA NORIFUMI·Filed 2010·Granted Nov 11, 2014·3 cites·6 claims
- 0571US8714806B2Coupling apparatus and kneading equipment having kneading apparatus and drive apparatus coupled together through the coupling apparatusNAOI MASAKI·Filed 2007·Granted May 6, 2014·4 cites·11 claims
- 0670US8926166B2Kneading rotor, batch kneader and method of kneading materialsYOSHIDA NORIFUMI·Filed 2010·Granted Jan 6, 2015·3 cites·6 claims
- 0766US5520455ABatch type kneader having specified parameters and chamfered landsKOBE STEEL LTD·Filed 1994·Granted May 28, 1996·31 cites·9 claims
- 0861US4859074AClosed mixing machineKOBE STEEL LTD·Filed 1987·Granted Aug 22, 1989·15 cites·3 claims
- 0955US5562358ARim clamping device for a tire uniformity machineKOBE STEEL LTD·Filed 1994·Granted Oct 8, 1996·19 cites·6 claims
- 1049US7694317B2CATV transmission line monitoring system, method, and programOSS BROADNET K K·Filed 2005·Granted Apr 6, 2010·3 cites·21 claims
- 1147US5372419AInternal mixer having two speed gearingKOBE STEEL LTD·Filed 1994·Granted Dec 13, 1994·15 cites·3 claims
- 1238US5607703ARoller head extruder unitKOBE STEEL LTD·Filed 1994·Granted Mar 4, 1997·8 cites·7 claims
- 1331US4986745ARoller head opening and closing apparatus in roller head extruderKOBE STEEL LTD·Filed 1989·Granted Jan 22, 1991·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →