Assignee
HOWA MACHINERY LTD
JP·104 granted patents·4 pending applications·1,338 citations·filing 1978–2020
Top patents by PatentIndex Score
108 records- 0193US4856415ARodless cylinder assemblyHOWA MACHINERY LTD·Filed 1988·Granted Aug 15, 1989·51 cites·28 claims
- 0293US4473997AMethod and apparatus for switching roving bobbins in a spinning frameHOWA MACHINERY LTD·Filed 1983·Granted Oct 2, 1984·27 cites·6 claims
- 0392US4369621AMethod for simultaneously changing bobbins in a fly frame and apparatus for carrying out the methodHOWA MACHINERY LTD·Filed 1981·Granted Jan 25, 1983·24 cites·13 claims
- 0491US4799353AMethod for piecing rovings and exchange roving bobbins in a ring spinning frame and working machine for carrying out this methodHOWA MACHINERY LTD·Filed 1987·Granted Jan 24, 1989·22 cites·11 claims
- 0590US4569192AApparatus for producing special yarnsHOWA MACHINERY LTD·Filed 1984·Granted Feb 11, 1986·25 cites·5 claims
- 0690US4145868AMobile type auto-doffer provided with doffing device and donning device for ring spinning machine and the likeHOWA MACHINERY LTD·Filed 1978·Granted Mar 27, 1979·20 cites·9 claims
- 0789US6211942B1Double-sided exposure systemHOWA MACHINERY LTD·Filed 2000·Granted Apr 3, 2001·38 cites·8 claims
- 0887US4702146AGas pressure adjusting device in gas-operated auto-loading firearmHOWA MACHINERY LTD·Filed 1986·Granted Oct 27, 1987·102 cites·4 claims
- 0984US6450932B1Spare tool changing system for machining centerHOWA MACHINERY LTD·Filed 2000·Granted Sep 17, 2002·21 cites·8 claims
- 1083US5154045ASuction cleaning system and ducting for spinning machinesHOWA MACHINERY LTD·Filed 1990·Granted Oct 13, 1992·16 cites·7 claims
- 1181US6023111ALinear actuatorHOWA MACHINERY LTD·Filed 1998·Granted Feb 8, 2000·30 cites·14 claims
- 1279US5844340ARodless cylinder deviceHOWA MACHINERY LTD·Filed 1996·Granted Dec 1, 1998·27 cites·8 claims
- 1378US4723405ASpindle for spinning frame or twisting machineHOWA MACHINERY LTD·Filed 1986·Granted Feb 9, 1988·12 cites·7 claims
- 1477US6502834B1Holding chuck for a tire-wheel with a chatter-suppressing deviceHOWA MACHINERY LTD·Filed 2001·Granted Jan 7, 2003·29 cites·4 claims
- 1577US5464233AFinger chuck for use with machine toolHOWA MACHINERY LTD·Filed 1994·Granted Nov 7, 1995·48 cites·16 claims
- 1677US5375627AMethod and weaving machine for producing multi-axial fabricHOWA MACHINERY LTD·Filed 1993·Granted Dec 27, 1994·22 cites·5 claims
- 1776US6427992B1Clamping cylinder actuatorHOWA MACHINERY LTD·Filed 2000·Granted Aug 6, 2002·25 cites·20 claims
- 1876US6293183B1Coupling construction between an actuator and a baseHOWA MACHINERY LTD·Filed 2000·Granted Sep 25, 2001·16 cites·20 claims
- 1976US5351039AToolholder device for machine toolsHOWA MACHINERY LTD·Filed 1992·Granted Sep 27, 1994·30 cites·14 claims
- 2075US5341633AApparatus for winding a roving applied to a roving frameHOWA MACHINERY LTD·Filed 1992·Granted Aug 30, 1994·9 cites·12 claims
- 2175US4841720ARoving bobbin exchanging method and apparatus for carrying out roving bobbin exchanging methodHOWA MACHINERY LTD·Filed 1988·Granted Jun 27, 1989·11 cites·13 claims
- 2274US5155473ATorque and thrust overload detection system for a machine toolHOWA MACHINERY LTD·Filed 1991·Granted Oct 13, 1992·27 cites·16 claims
- 2373US7574953B2Rotary clamp cylinderHOWA MACHINERY LTD·Filed 2007·Granted Aug 18, 2009·13 cites·7 claims
- 2472US7644648B2Magnet type rodless cylinderHOWA MACHINERY LTD·Filed 2005·Granted Jan 12, 2010·7 cites·7 claims
- 2572US4885817AAir-dust separation system for a pneumatic road-cleaning vehicleHOWA MACHINERY LTD·Filed 1987·Granted Dec 12, 1989·51 cites·7 claims
- 2672US4841719AApparatus for transporting roving bobbinsHOWA MACHINERY LTD·Filed 1988·Granted Jun 27, 1989·19 cites·7 claims
- 2772US4821504ASystem for controlling displacement of carriage working machinesHOWA MACHINERY LTD·Filed 1988·Granted Apr 18, 1989·22 cites·13 claims
- 2868US5067204AMethod for continuously supplying slivers to a roving frameHOWA MACHINERY LTD·Filed 1990·Granted Nov 26, 1991·9 cites·4 claims
- 2967US6412763B1Rotary clamping cylinder actuatorHOWA MACHINERY LTD·Filed 2000·Granted Jul 2, 2002·19 cites·19 claims
- 3066US5064044AIndexing apparatusHOWA MACHINERY LTD·Filed 1991·Granted Nov 12, 1991·19 cites·11 claims
- 3165US5524427AMethod and apparatus for piecing slivers in a spinning machine by throttling in a nozzleHOWA MACHINERY LTD·Filed 1993·Granted Jun 11, 1996·7 cites·23 claims
- 3264US6186484B1Elastomer damper for an actuator cylinderHOWA MACHINERY LTD·Filed 1998·Granted Feb 13, 2001·22 cites·13 claims
- 3363US4551969AApparatus for controlling the winding speed of roving in roving frameHOWA MACHINERY LTD·Filed 1984·Granted Nov 12, 1985·8 cites·5 claims
- 3462US5481944AIndexing deviceHOWA MACHINERY LTD·Filed 1994·Granted Jan 9, 1996·15 cites·16 claims
- 3562US5272865AMethod and apparatus for exchanging roving bobbins in a ring spinning frameHOWA MACHINERY LTD·Filed 1991·Granted Dec 28, 1993·6 cites·18 claims
- 3662US5239814ACreel mechanism for a ring spinning frame provided with displaceable roving guidesHOWA MACHINERY LTD·Filed 1991·Granted Aug 31, 1993·6 cites·5 claims
- 3762US5177835AMethod and apparatus for piecing sliversHOWA MACHINERY LTD·Filed 1991·Granted Jan 12, 1993·8 cites·8 claims
- 3861US11478861B2Chuck-claw coupling mechanismHOWA MACHINERY LTD·Filed 2019·Granted Oct 25, 2022·0 cites·12 claims
- 3961US7194949B2Magnet type rodless cylinderHOWA MACHINERY LTD·Filed 2005·Granted Mar 27, 2007·3 cites·8 claims
- 4061US5688215ATool magazine for machine toolHOWA MACHINERY LTD·Filed 1996·Granted Nov 18, 1997·18 cites·5 claims
- 4161US4723778AAutomatic lubricating system of power chuckHOWA MACHINERY LTD·Filed 1986·Granted Feb 9, 1988·18 cites·10 claims
- 4260US7493848B2Magnet type rodless cylinderHOWA MACHINERY LTD·Filed 2006·Granted Feb 24, 2009·1 cites·14 claims
- 4360US5871426AMachining centerHOWA MACHINERY LTD·Filed 1997·Granted Feb 16, 1999·24 cites·13 claims
- 4460US4817267ATool change apparatus for machining center and the likeHOWA MACHINERY LTD·Filed 1987·Granted Apr 4, 1989·16 cites·14 claims
- 4559US11794301B2Chuck grip accuracy checking method, chuck claw exchanging method, and chuck grip accuracy checking deviceHOWA MACHINERY LTD·Filed 2019·Granted Oct 24, 2023·0 cites·10 claims
- 4659US9513077B2Magazine lock and portable firearmHOWA MACHINERY LTD·Filed 2013·Granted Dec 6, 2016·8 cites·6 claims
- 4759US6039680ATool changing mechanismHOWA MACHINERY LTD·Filed 1998·Granted Mar 21, 2000·22 cites·19 claims
- 4859US4897992AMethod and apparatus for transporting roving bobbins in a spinning factoryHOWA MACHINERY LTD·Filed 1988·Granted Feb 6, 1990·17 cites·15 claims
- 4958US6474658B2Chuck for machine toolHOWA MACHINERY LTD·Filed 2001·Granted Nov 5, 2002·12 cites·5 claims
- 5058US6342944B1Vertical alignment table mechanismHOWA MACHINERY LTD·Filed 2000·Granted Jan 29, 2002·4 cites·12 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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