Sakamoto; Masafumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sakamoto; Masafumi.The latest application filed is for "frame body of image forming apparatus and image forming apparatus provided with the frame body".
Company Profile
9.51.42
- Sakamoto; Masafumi - Osaka JP
- Sakamoto; Masafumi - Sakai JP
- SAKAMOTO; MASAFUMI - Sakai City JP
- Sakamoto; Masafumi - Anan JP
- Sakamoto; Masafumi - Saitama JP
- SAKAMOTO; Masafumi - Anan-shi JP
- SAKAMOTO; Masafumi - Saitama-shi JP
- SAKAMOTO; Masafumi - Shimotsuga-gun JP
- Sakamoto; Masafumi - Gumma JP
- Sakamoto; Masafumi - Kiryu JP
- Sakamoto; Masafumi - Kiryu-shi JP
- Sakamoto; Masafumi - Gunma JP
- Sakamoto; Masafumi - Kanagawa JP
Patent Activity
| Patent | Date |
|---|---|
| Frame body of image forming apparatus and image forming apparatus provided with the frame body Grant 11,209,770 - Okamoto , et al. December 28, 2 | 2021-12-28 |
| Image forming apparatus provided with a duct Grant 11,054,789 - Sakamoto , et al. July 6, 2 | 2021-07-06 |
| Exhaust device having a plurality of intake ports and image forming apparatus including the same Grant 10,877,435 - Sakamoto , et al. December 29, 2 | 2020-12-29 |
| Frame Body Of Image Forming Apparatus And Image Forming Apparatus Provided With The Frame Body App 20200393788 - OKAMOTO; SHOHTAROH ; et al. | 2020-12-17 |
| Detection device and image forming apparatus Grant 10,866,148 - Kadowaki , et al. December 15, 2 | 2020-12-15 |
| Duct mechanism and image forming apparatus including the same Grant 10,775,719 - Sakamoto , et al. Sept | 2020-09-15 |
| Detection Device And Image Forming Apparatus App 20190234812 - KADOWAKI; HIDEAKI ; et al. | 2019-08-01 |
| Support member connection mechanism and electrical apparatus including the same Grant 10,359,733 - Taguchi , et al. | 2019-07-23 |
| Duct Mechanism And Image Forming Apparatus Including The Same App 20190196369 - Sakamoto; Masafumi ; et al. | 2019-06-27 |
| Image Forming Apparatus App 20190196397 - SAKAMOTO; MASAFUMI ; et al. | 2019-06-27 |
| Exhaust Device And Image Forming Apparatus Including The Same App 20190196398 - SAKAMOTO; MASAFUMI ; et al. | 2019-06-27 |
| Red phosphor and light emitting device including the same Grant 10,199,547 - Hosokawa , et al. Fe | 2019-02-05 |
| Red phosphor Grant 10,106,735 - Sakamoto October 23, 2 | 2018-10-23 |
| Rotating electric machine including rotor arranged with intermediation of air gap Grant 9,882,442 - Sakamoto , et al. January 30, 2 | 2018-01-30 |
| Red Phosphor And Light Emitting Device Including The Same App 20170222099 - HOSOKAWA; Shoji ; et al. | 2017-08-03 |
| Red phosphor and light emitting device including the same Grant 9,653,658 - Hosokawa , et al. May 16, 2 | 2017-05-16 |
| Support Member Connection Mechanism And Electrical Apparatus Including The Same App 20170105302 - TAGUCHI; Noriaki ; et al. | 2017-04-13 |
| Red Phosphor App 20160215210 - SAKAMOTO; Masafumi | 2016-07-28 |
| Red Phosphor And Light Emitting Device Including The Same App 20150349213 - HOSOKAWA; Shoji ; et al. | 2015-12-03 |
| Three-dimensional Axial Gap Type Rotating Electric Machine App 20150214797 - SAKAMOTO; Masafumi ; et al. | 2015-07-30 |
| Rotating Electric Machine App 20150108856 - SAKAMOTO; Masafumi ; et al. | 2015-04-23 |
| Rotating Electric Machine App 20150091405 - SAKAMOTO; Masafumi ; et al. | 2015-04-02 |
| Rotating electrical machine Grant 8,952,589 - Sakamoto , et al. February 10, 2 | 2015-02-10 |
| Rotating Electrical Machine App 20140132092 - SAKAMOTO; Masafumi ; et al. | 2014-05-15 |
| Rotating Electrical Machine App 20140117790 - SAKAMOTO; Masafumi ; et al. | 2014-05-01 |
| Rotating Electrical Machine App 20140021822 - SAKAMOTO; Masafumi ; et al. | 2014-01-23 |
| Linear Motor, Linear Dynamo, Reciprocation-type Compressor Driving System That Is Powered By Linear Motor, And Charge System That Uses Linear Dynamo App 20130313838 - SAKAMOTO; Masafumi ; et al. | 2013-11-28 |
| Rotating Electric Machine App 20130293037 - SAKAMOTO; Masafumi ; et al. | 2013-11-07 |
| Rotaring Electrical Machine App 20130187485 - SAKAMOTO; Masafumi ; et al. | 2013-07-25 |
| Rotating Electrical Machine App 20130187488 - SAKAMOTO; Masafumi ; et al. | 2013-07-25 |
| Permanent-magnet rotary electric machine Grant 8,138,641 - Sakamoto , et al. March 20, 2 | 2012-03-20 |
| Hybrid type rotary electric machine Grant 7,939,976 - Sakamoto , et al. May 10, 2 | 2011-05-10 |
| Manufacturing method of hybrid permanent magnet type electric rotating machine Grant 7,779,532 - Sakamoto , et al. August 24, 2 | 2010-08-24 |
| Permanent-magnet Rotary Electric Machine App 20100133929 - SAKAMOTO; Masafumi ; et al. | 2010-06-03 |
| Hybrid Type Rotary Electric Machine App 20100066184 - SAKAMOTO; Masafumi ; et al. | 2010-03-18 |
| Stepping motor Grant 7,589,440 - Oiwa , et al. September 15, 2 | 2009-09-15 |
| Hybrid type double three-phase electric rotating machine Grant 7,342,330 - Sakamoto , et al. March 11, 2 | 2008-03-11 |
| Method of driving surveillance camera by using rotary electric machine Grant 7,274,805 - Horie , et al. September 25, 2 | 2007-09-25 |
| Hybrid Permanent Magnet Type Electric Rotating Machine And Manufacturing Method Thereof App 20070200464 - Sakamoto; Masafumi ; et al. | 2007-08-30 |
| Toroidal-coil linear stepping motor, toroidal-coil linear reciprocating motor, cylinder compressor and cylinder pump using these motors Grant 7,242,118 - Sakamoto July 10, 2 | 2007-07-10 |
| Stepping Motor App 20070120426 - Oiwa; Shoji ; et al. | 2007-05-31 |
| Permanent magnet type three-phase stepping motor Grant 7,145,278 - Sakamoto December 5, 2 | 2006-12-05 |
| Hybrid type double three-phase electric rotating machine App 20060071562 - Sakamoto; Masafumi ; et al. | 2006-04-06 |
| Permanent magnet type three-phase stepping motor App 20050194846 - Sakamoto, Masafumi | 2005-09-08 |
| Permanent magnet type three-phase stepping motor Grant 6,903,476 - Sakamoto June 7, 2 | 2005-06-07 |
| Toroidal-coil linear stepping motor, toroidal-coil linear reciprocating motor, cylinder compressor and cylinder pump using these motors App 20050023905 - Sakamoto, Masafumi | 2005-02-03 |
| Multi-joint type industrial robot Grant 6,781,337 - Sakamoto , et al. August 24, 2 | 2004-08-24 |
| Permanent magnet type rotary machine Grant 6,781,260 - Sakamoto August 24, 2 | 2004-08-24 |
| Three-phase toroidal coil type permanent magnet electric rotating machine Grant 6,765,321 - Sakamoto July 20, 2 | 2004-07-20 |
| Magnet type stepping motor Grant 6,741,006 - Sakamoto May 25, 2 | 2004-05-25 |
| Motor-driven system with stator provided with inductors Grant 6,731,033 - Sakamoto May 4, 2 | 2004-05-04 |
| Three-phase hybrid type stepping motor Grant 6,731,027 - Ohnishi , et al. May 4, 2 | 2004-05-04 |
| Permanent magnet type twelve-pole stepping motor Grant 6,707,178 - Sakamoto , et al. March 16, 2 | 2004-03-16 |
| Method of surveillance camera by using rotary electric machine App 20040041909 - Horie, Noboru ; et al. | 2004-03-04 |
| Magnet type stepping motor Grant 6,670,732 - Sakamoto December 30, 2 | 2003-12-30 |
| Three-phase permanent magnet cascade claw type stepping motor Grant RE38,346 - Sakamoto December 16, 2 | 2003-12-16 |
| Permanent magnet motor Grant 6,633,105 - Ohnishi , et al. October 14, 2 | 2003-10-14 |
| Direct drive electric motor apparatus incorporating slip ring assembly Grant 6,628,338 - Elberbaum , et al. September 30, 2 | 2003-09-30 |
| Permanent magnet type rotary machine App 20030102727 - Sakamoto, Masafumi | 2003-06-05 |
| Multi-joint type industrial robot App 20030085681 - Sakamoto, Masafumi ; et al. | 2003-05-08 |
| Three-phase hybrid type stepping motor Grant 6,545,376 - Ohnishi , et al. April 8, 2 | 2003-04-08 |
| Three-phase hybrid type stepping motor App 20030062779 - Ohnishi, Kazuo ; et al. | 2003-04-03 |
| Permanent magnet type three-phase stepping motor App 20030052552 - Sakamoto, Masafumi | 2003-03-20 |
| Multi-phase electric rotating machine having toroidal coils and using method thereof Grant 6,504,272 - Sakamoto January 7, 2 | 2003-01-07 |
| Three-phase toroidal coil type permanent magnet electric rotating machine App 20020190585 - Sakamoto, Masafumi | 2002-12-19 |
| Permanent magnet motor App 20020175581 - Ohnishi, Kazuo ; et al. | 2002-11-28 |
| Rotary electric machine having coaxial output hollow shaft with reduction gear and slip ring Grant 6,477,918 - Sakamoto November 12, 2 | 2002-11-12 |
| Magnet type stepping motor App 20020158521 - Sakamoto, Masafumi | 2002-10-31 |
| Front portion structure of vehicle frame Grant 6,460,889 - Iyanagi , et al. October 8, 2 | 2002-10-08 |
| Permanent magnet type twelve-pole stepping motor App 20020079750 - Sakamoto, Masafumi ; et al. | 2002-06-27 |
| Three-phase hybrid type stepping motor App 20020079749 - Ohnishi, Kazuo ; et al. | 2002-06-27 |
| Motor-driven system with stator provided with inductors App 20020024267 - Sakamoto, Masafumi | 2002-02-28 |
| Front Portion Structure Of Vehicle Frame App 20020008375 - IYANAGI, YOSHITAKA ; et al. | 2002-01-24 |
| Rotary electric machine having coaxial output hollow shaft with reduction gear and slip ring App 20010052735 - Sakamoto, Masafumi | 2001-12-20 |
| Hybrid stepping motor Grant 6,329,729 - Sakamoto December 11, 2 | 2001-12-11 |
| Two-phase hybrid type stepping motor App 20010038249 - Ohnishi, Kazuo ; et al. | 2001-11-08 |
| Magnet type stepping motor App 20010017493 - Sakamoto, Masafumi | 2001-08-30 |
| Multi-phase electric rotating machine having toroidal coils and using method thereof App 20010002095 - Sakamoto, Masafumi | 2001-05-31 |
| Two-phase permanent-magnet electric rotating machine Grant 6,172,438 - Sakamoto January 9, 2 | 2001-01-09 |
| Three-phase permanent magnet cascade claw type stepping motor Grant 6,121,712 - Sakamoto September 19, 2 | 2000-09-19 |
| Multi-phase permanent-magnet type electric rotating machine Grant 5,874,795 - Sakamoto February 23, 1 | 1999-02-23 |
| Two-phase permanent-magnet electric rotating machine Grant 5,780,944 - Sakamoto July 14, 1 | 1998-07-14 |
| Permanent magnet type stepping motor Grant 5,708,310 - Sakamoto , et al. January 13, 1 | 1998-01-13 |
| Permanent magnet type brushless motor Grant 5,532,531 - Sakamoto July 2, 1 | 1996-07-02 |
| Hybrid type stepping motor Grant 5,410,200 - Sakamoto , et al. April 25, 1 | 1995-04-25 |
| Permanent magnet stepping motor Grant 5,386,161 - Sakamoto January 31, 1 | 1995-01-31 |
| Three-phase permanent magnet stepping motor Grant 5,289,064 - Sakamoto February 22, 1 | 1994-02-22 |
| Connector assembly for a rotary electric machine Grant 5,243,246 - Sakamoto September 7, 1 | 1993-09-07 |
| Hybrid-type stepping motor Grant 4,983,867 - Sakamoto January 8, 1 | 1991-01-08 |
| Permanent magnet type stepping motor Grant 4,503,368 - Sakamoto March 5, 1 | 1985-03-05 |
| End bracket for motor Grant 4,499,391 - Sakamoto February 12, 1 | 1985-02-12 |
| Small-sized electric motor Grant 4,384,226 - Sato , et al. May 17, 1 | 1983-05-17 |
| Permanent magnet type stepping motor Grant 4,347,457 - Sakamoto August 31, 1 | 1982-08-31 |
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