YONEZAWA; Keitaro
Patent Applications and Registrations
Patent applications and USPTO patent grants for YONEZAWA; Keitaro.The latest application filed is for "pneumatic cylinder device with holding valve".
Company Profile
1.59.39
- YONEZAWA; Keitaro - Kobe-shi JP
- Yonezawa; Keitaro - Hyogo JP
- Yonezawa; Keitaro - Kobe JP
- Yonezawa; Keitaro - Itamishi JP
- Yonezawa; Keitaro - Amagasakishi JP
- Yonezawa; Keitaro - Amagasaki JP
Patent Activity
| Patent | Date |
|---|---|
| Pneumatic Cylinder Device With Holding Valve App 20220074436 - YONEZAWA; Keitaro | 2022-03-10 |
| LNK type clamp device Grant 11,207,752 - Yoshimi , et al. December 28, 2 | 2021-12-28 |
| Attachment/detachment structure for clamp arm of clamping device Grant 11,141,837 - Yoshimi , et al. October 12, 2 | 2021-10-12 |
| Rotary clamp Grant 11,110,560 - Yonezawa September 7, 2 | 2021-09-07 |
| Cylinder Device App 20210164499 - YOKOTA; Hideaki ; et al. | 2021-06-03 |
| Lnk Type Clamp Device App 20210053167 - YOSHIMI; MASAHIRO ; et al. | 2021-02-25 |
| Rotary Clamp App 20200230757 - YONEZAWA; KEITARO | 2020-07-23 |
| Cylinder device with force multiplication mechanism Grant 10,024,340 - Yokota , et al. July 17, 2 | 2018-07-17 |
| Cylinder apparatus Grant 10,018,191 - Yokota , et al. July 10, 2 | 2018-07-10 |
| Attachment/detachment Structure For Clamp Arm Of Clamping Device App 20180071894 - YOSHIMI; Masahiro ; et al. | 2018-03-15 |
| Cylinder apparatus Grant 9,909,600 - Yokota , et al. March 6, 2 | 2018-03-06 |
| Clamp device Grant 9,833,866 - Yonezawa December 5, 2 | 2017-12-05 |
| Actuator and clamp device using same Grant 9,573,232 - Yokota , et al. February 21, 2 | 2017-02-21 |
| Cylinder device with force multiplier Grant 9,458,865 - Yokota , et al. October 4, 2 | 2016-10-04 |
| Cylinder Apparatus App 20150345521 - YOKOTA; Hideaki ; et al. | 2015-12-03 |
| Cylinder Apparatus App 20150308423 - YOKOTA; Hideaki ; et al. | 2015-10-29 |
| Cylinder Device With Force Multiplication Mechanism App 20150247512 - Yokota; Hideaki ; et al. | 2015-09-03 |
| Clamp Device App 20150202726 - Yonezawa; Keitaro | 2015-07-23 |
| Actuator And Clamp Device Using Same App 20140191456 - Yokota; Hideaki ; et al. | 2014-07-10 |
| Cylinder Device With Force Multiplier App 20140109759 - Yokota; Hideaki ; et al. | 2014-04-24 |
| Clamping device Grant 8,366,090 - Yonezawa , et al. February 5, 2 | 2013-02-05 |
| Clamping apparatus Grant 8,302,947 - Yonezawa , et al. November 6, 2 | 2012-11-06 |
| Clamping Apparatus App 20100308521 - Yonezawa; Keitaro ; et al. | 2010-12-09 |
| Positioning device and clamping system with the device Grant 7,793,924 - Yonezawa , et al. September 14, 2 | 2010-09-14 |
| Positioning apparatus and clamping system having the same Grant 7,758,031 - Yonezawa , et al. July 20, 2 | 2010-07-20 |
| Positioning apparatus and clamping system having the same Grant 7,758,030 - Yonezawa , et al. July 20, 2 | 2010-07-20 |
| Clamp Device and Clamping System Using Such Device App 20090315239 - Yonezawa; Keitaro ; et al. | 2009-12-24 |
| Pressurized Fluid Discharge Device App 20090289208 - Yonezawa; Keitaro ; et al. | 2009-11-26 |
| Screw engagement type clamp device, clamping system, and fluid pressure actuator Grant 7,618,030 - Yonezawa , et al. November 17, 2 | 2009-11-17 |
| Swing Clamp App 20090152784 - Yonezawa; Keitaro ; et al. | 2009-06-18 |
| Flow Control Valve and Cylinder Apparatus Having the Same App 20080237514 - Yonezawa; Keitaro ; et al. | 2008-10-02 |
| Screw Engagement Type Clamp Device, Clamping System, and Fluid Pressure Actuator App 20080189924 - Yonezawa; Keitaro ; et al. | 2008-08-14 |
| Positioning apparatus and clamping system having the same App 20080157451 - Yonezawa; Keitaro ; et al. | 2008-07-03 |
| Clamping apparatus and clamping system Grant 7,377,505 - Yonezawa , et al. May 27, 2 | 2008-05-27 |
| Clamping device and clamping system using the same Grant 7,325,798 - Yonezawa February 5, 2 | 2008-02-05 |
| Aligning drive mechanism and positioning apparatus having this mechanism Grant 7,303,186 - Yonezawa , et al. December 4, 2 | 2007-12-04 |
| Positioning apparatus and clamping system having the same App 20070138725 - Yonezawa; Keitaro ; et al. | 2007-06-21 |
| Spring-lock type clamp device Grant 7,175,169 - Yonezawa February 13, 2 | 2007-02-13 |
| Positioning device Grant 7,168,695 - Yonezawa , et al. January 30, 2 | 2007-01-30 |
| Positioning device Grant 7,165,763 - Yonezawa , et al. January 23, 2 | 2007-01-23 |
| Positioning device and clamping system having the same App 20060289709 - Yonezawa; Keitaro ; et al. | 2006-12-28 |
| Positioning device and clamping system with the device App 20060279034 - Yonezawa; Keitaro ; et al. | 2006-12-14 |
| Clamping device App 20060273504 - Yonezawa; Keitaro ; et al. | 2006-12-07 |
| Clampig device and clamping system App 20060261534 - Yonezawa; Keitaro ; et al. | 2006-11-23 |
| Clamp device App 20060226591 - Yonezawa; Keitaro ; et al. | 2006-10-12 |
| Positioning device App 20060186591 - Yonezawa; Keitaro ; et al. | 2006-08-24 |
| Spring-lock type clamp device App 20060131803 - Yonezawa; Keitaro | 2006-06-22 |
| Clamping device and clamping system using the same App 20060049569 - Yonezawa; Keitaro | 2006-03-09 |
| Aligning drive mechanism and positioning apparatus having this mechanism App 20060049568 - Yonezawa; Keitaro ; et al. | 2006-03-09 |
| Positioning device App 20060033255 - Yonezawa; Keitaro ; et al. | 2006-02-16 |
| Rotary clamp Grant 6,902,158 - Yonezawa , et al. June 7, 2 | 2005-06-07 |
| Cylinder assembly Grant 6,761,103 - Yonezawa , et al. July 13, 2 | 2004-07-13 |
| Automatic positioning device Grant 6,755,409 - Yonezawa June 29, 2 | 2004-06-29 |
| Rotary clamp Grant 6,666,440 - Yonezawa , et al. December 23, 2 | 2003-12-23 |
| Rotary clamp Grant 6,663,093 - Yonezawa , et al. December 16, 2 | 2003-12-16 |
| Rotary Clamp App 20030189279 - Yonezawa, Keitaro ; et al. | 2003-10-09 |
| Clamping apparatus Grant 6,619,646 - Yonezawa September 16, 2 | 2003-09-16 |
| Automatic positioning device App 20030160374 - Yonezawa, Keitaro | 2003-08-28 |
| Cylinder assembly App 20030150323 - Yonezawa, Keitaro ; et al. | 2003-08-14 |
| Rotary clamp App 20030090047 - Yonezawa, Keitaro ; et al. | 2003-05-15 |
| Rotary clamp App 20030090046 - Yonezawa, Keitaro ; et al. | 2003-05-15 |
| Clamping apparatus with datum function Grant 6,527,266 - Yonezawa , et al. March 4, 2 | 2003-03-04 |
| Clamping apparatus App 20020060387 - Yonezawa, Keitaro | 2002-05-23 |
| Clamping apparatus App 20020030316 - Yonezawa, Keitaro | 2002-03-14 |
| Cylinder assembly App 20020014150 - Shirakawa, Tsutomu ; et al. | 2002-02-07 |
| Transmission device Grant 6,101,888 - Yonezawa August 15, 2 | 2000-08-15 |
| Clamping apparatus Grant 6,095,509 - Yonezawa August 1, 2 | 2000-08-01 |
| Valve assembly for gas cylinder and pressure reducing valve used therefor Grant 6,047,727 - Hatori , et al. April 11, 2 | 2000-04-11 |
| Clamping apparatus Grant 6,024,354 - Yonezawa February 15, 2 | 2000-02-15 |
| Rotary clamping apparatus Grant 5,954,319 - Yonezawa September 21, 1 | 1999-09-21 |
| Transmission device for a clamp Grant 5,927,700 - Yonezawa July 27, 1 | 1999-07-27 |
| Work support Grant 5,887,862 - Yonezawa March 30, 1 | 1999-03-30 |
| Valve assembly for gas cylinder Grant 5,738,145 - Daicho , et al. April 14, 1 | 1998-04-14 |
| Clamping apparatus Grant 5,476,252 - Yonezawa December 19, 1 | 1995-12-19 |
| Conveying roller Grant 5,361,884 - Yonezawa November 8, 1 | 1994-11-08 |
| Clamping apparatus Grant 5,147,091 - Yonezawa , et al. September 15, 1 | 1992-09-15 |
| Hydraulic cylinder apparatus of the type actuated by booster Grant 5,125,234 - Yonezawa , et al. June 30, 1 | 1992-06-30 |
| Hydraulic clamp with direct operated rotary clamping-member Grant 5,108,079 - Yonezawa , et al. April 28, 1 | 1992-04-28 |
| Three way valve assembly with pressure compensating valve Grant 5,082,021 - Yonezawa January 21, 1 | 1992-01-21 |
| Clamping apparatus for press brake Grant 5,065,610 - Yonezawa November 19, 1 | 1991-11-19 |
| Workpiece pallet changer for machine tools Grant 5,018,617 - Miyata , et al. May 28, 1 | 1991-05-28 |
| Quick-acting coupling Grant 4,971,107 - Yonezawa November 20, 1 | 1990-11-20 |
| Hydraulic clamp Grant 4,948,105 - Yonezawa August 14, 1 | 1990-08-14 |
| Plunger pump of quick pressure-rise type Grant 4,850,828 - Yonezawa July 25, 1 | 1989-07-25 |
| Hydraulic overload protector for mechanical press Grant 4,827,839 - Yonezawa , et al. May 9, 1 | 1989-05-09 |
| Apparatus for positioning and clamping work clamp pallet for machine tools Grant 4,583,631 - Yonezawa , et al. April 22, 1 | 1986-04-22 |
| Work-clamp pallet for machine tool Grant 4,557,371 - Yonezawa December 10, 1 | 1985-12-10 |
| Retracting clamp Grant 4,506,871 - Yonezawa March 26, 1 | 1985-03-26 |
| Retracting clamp Grant 4,504,046 - Yonezawa , et al. March 12, 1 | 1985-03-12 |
| Dies exchanging device for a machine using dies Grant 4,449,907 - Yonezawa , et al. May 22, 1 | 1984-05-22 |
| Die lifter unit Grant 4,301,673 - Yonezawa November 24, 1 | 1981-11-24 |
| Pump fluid motor carrying spool valve for distributor valve actuation Grant 4,042,311 - Yonezawa August 16, 1 | 1977-08-16 |
| Hand-operable takeout valve for a fluid pressurized container Grant 3,981,328 - Yonezawa September 21, 1 | 1976-09-21 |
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