Maejima; Yasushi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maejima; Yasushi.The latest application filed is for "vacuum pump, rotor, and washer".
Company Profile
5.25.33
- Maejima; Yasushi - Yachiyo-shi Chiba
- Maejima; Yasushi - Chiba JP
- Maejima; Yasushi - Yachiyo JP
- Maejima; Yasushi - Katsushika N/A JP
- Maejima; Yasushi - Katsushika-ku N/A JP
- Maejima; Yasushi - Tokyo JP
- Maejima; Yasushi - Kariya-city JP
- Maejima; Yasushi - Narashino JP
- Maejima, Yasushi - Narashino-shi JP
- Maejima, Yasushi - Chiba-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Vacuum Pump, Rotor, And Washer App 20220268289 - Yokozuka; Katsuhisa ; et al. | 2022-08-25 |
| Vacuum Pump And Stator Component Of Thread Groove Pump Portion Of The Vacuum Pump App 20220235776 - Ohtachi; Yoshinobu ; et al. | 2022-07-28 |
| Vacuum pump, and control device of vacuum pump Grant 11,384,770 - Fukami , et al. July 12, 2 | 2022-07-12 |
| Vacuum Pump App 20220163053 - Enosawa; Hideki ; et al. | 2022-05-26 |
| Vacuum Pump, Cylindrical Portion Used In Vacuum Pump, And Base Portion App 20210293244 - Ohtachi; Yoshinobu ; et al. | 2021-09-23 |
| Vacuum Pump, And Control Device Of Vacuum Pump App 20210123449 - Fukami; Hideo ; et al. | 2021-04-29 |
| Stator-side member and vacuum pump Grant 10,704,555 - Sakaguchi , et al. | 2020-07-07 |
| Vacuum Pump And Heating Device Therefor App 20200092952 - Ohtachi; Yoshinobu ; et al. | 2020-03-19 |
| Vacuum pump and abnormality cause estimating method for vacuum pump Grant 10,578,158 - Ohtachi , et al. | 2020-03-03 |
| Vacuum pump Grant 10,480,523 - Ohtachi , et al. Nov | 2019-11-19 |
| Vacuum pump Grant 10,364,814 - Shi , et al. July 30, 2 | 2019-07-30 |
| Vacuum pump Grant 10,001,126 - Miwata , et al. June 19, 2 | 2018-06-19 |
| Rotor and vacuum pump equipped with same Grant 9,982,682 - Ohtachi , et al. May 29, 2 | 2018-05-29 |
| Rotor And Vacuum Pump Equipped With Same App 20180128280 - Ohtachi; Yoshinobu ; et al. | 2018-05-10 |
| Adaptor And Vacuum Pump App 20180038375 - Ohtachi; Yoshinobu ; et al. | 2018-02-08 |
| Vacuum Pump App 20170363101 - Ohtachi; Yoshinobu ; et al. | 2017-12-21 |
| Exhaust pump Grant 9,790,946 - Ohtachi , et al. October 17, 2 | 2017-10-17 |
| Vacuum Pump And Abnormality Cause Estimating Method For Vacuum Pump App 20170248166 - Ohtachi; Yoshinobu ; et al. | 2017-08-31 |
| Vacuum Pump App 20160025096 - Shi; Yongwei ; et al. | 2016-01-28 |
| Stator-side Member And Vacuum Pump App 20150240822 - Sakaguchi; Yoshiyuki ; et al. | 2015-08-27 |
| Rotor And Vacuum Pump Equipped With Same App 20150240829 - Ohtachi; Yoshinobu ; et al. | 2015-08-27 |
| Vacuum pump Grant 8,690,525 - Ohtachi , et al. April 8, 2 | 2014-04-08 |
| Exhaust Pump App 20130164124 - Ohtachi; Yoshinobu ; et al. | 2013-06-27 |
| Molecular pump and flange having shock absorbing member Grant 8,403,652 - Maejima , et al. March 26, 2 | 2013-03-26 |
| Vacuum Pump App 20120143390 - Miwata; Tooru ; et al. | 2012-06-07 |
| Vacuum Pump And Member Used For Vacuum Pump App 20120141254 - Ohtachi; Yoshinobu ; et al. | 2012-06-07 |
| Vacuum Pump App 20110103934 - Ohtachi; Yoshinobu ; et al. | 2011-05-05 |
| Vacuum pump Grant 7,753,661 - Okudera , et al. July 13, 2 | 2010-07-13 |
| Molecular Pump And Flange App 20090081056 - Maejima; Yasushi ; et al. | 2009-03-26 |
| Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure Grant 7,390,164 - Maejima , et al. June 24, 2 | 2008-06-24 |
| Luminance control apparatus for light emitting device App 20070115209 - Maejima; Yasushi | 2007-05-24 |
| Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure App 20070031270 - Maejima; Yasushi ; et al. | 2007-02-08 |
| Vacuum pump App 20060140776 - Okudera; Satoshi ; et al. | 2006-06-29 |
| Vacuum pump Grant 6,890,145 - Takamine , et al. May 10, 2 | 2005-05-10 |
| Turbo-molecular pump Grant 6,854,956 - Miwata , et al. February 15, 2 | 2005-02-15 |
| Vacuum pump Grant 6,824,349 - Okudera , et al. November 30, 2 | 2004-11-30 |
| Vacuum pump Grant 6,814,536 - Sakaguchi , et al. November 9, 2 | 2004-11-09 |
| Motor control system, motor apparatus, vacuum pump, correction current value measuring apparatus, and motor control method App 20040212333 - Ohtachi, Yoshinobu ; et al. | 2004-10-28 |
| Vacuum pump Grant 6,752,588 - Kawanishi , et al. June 22, 2 | 2004-06-22 |
| Vacuum pump Grant 6,709,226 - Maejima , et al. March 23, 2 | 2004-03-23 |
| Vacuum pump Grant 6,705,830 - Yamashita , et al. March 16, 2 | 2004-03-16 |
| Turbo-molecular pump App 20030175113 - Miwata, Tooru ; et al. | 2003-09-18 |
| Vacuum pump App 20030095861 - Sakaguchi, Yoshiyuki ; et al. | 2003-05-22 |
| Vacuum pump App 20030095862 - Kawanishi, Shinji ; et al. | 2003-05-22 |
| Vacuum pump App 20030095860 - Takamine, Masayoshi ; et al. | 2003-05-22 |
| Vacuum pump App 20030095863 - Okudera, Satoshi ; et al. | 2003-05-22 |
| Vacuum pump App 20030021673 - Maejima, Yasushi ; et al. | 2003-01-30 |
| Vacuum pump App 20030021672 - Maejima, Yasushi ; et al. | 2003-01-30 |
| Vacuum pump App 20020172589 - Yamashita, Yoshihiro ; et al. | 2002-11-21 |
| Magnetic bearing device and a vacuum pump equipped with the same Grant 6,465,924 - Maejima October 15, 2 | 2002-10-15 |
| Magnetic bearing type vacuum pump App 20020113509 - Maejima, Yasushi ; et al. | 2002-08-22 |
| Turbo Molecular Pump App 20010022941 - MAEJIMA, YASUSHI | 2001-09-20 |
| Magnetic bearing apparatus with radial position correcting electromagnet Grant 6,023,115 - Maejima February 8, 2 | 2000-02-08 |
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