Maruyama; Keiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maruyama; Keiji.The latest application filed is for "control apparatus for compression-ignition type engine".
Company Profile
47.56.52
- Maruyama; Keiji - Aki-gun JP
- Maruyama; Keiji - Hiroshima JP
- MARUYAMA; Keiji - Hiroshima-shi JP
- Maruyama; Keiji - Kawasaki JP
- Maruyama; Keiji - Haga-machi JP
- Maruyama; Keiji - Kawasaki-shi JP
- Maruyama; Keiji - Yokohama JP
- Maruyama; Keiji - Yokohama-shi JP
- Maruyama; Keiji - Kanagawa JP
- Maruyama; Keiji - Wako JP
Patent Activity
| Patent | Date |
|---|---|
| Control apparatus for compression-ignition type engine Grant 11,448,156 - Matsumoto , et al. September 20, 2 | 2022-09-20 |
| Control apparatus and control method for compression ignition type engine Grant 11,371,462 - Sueoka , et al. June 28, 2 | 2022-06-28 |
| Control apparatus for compression-ignition type engine Grant 11,326,543 - Matsumoto , et al. May 10, 2 | 2022-05-10 |
| Control apparatus for compression-ignition type engine Grant 11,326,508 - Matsumoto , et al. May 10, 2 | 2022-05-10 |
| Control apparatus for compression-ignition type engine Grant 11,313,269 - Matsumoto , et al. April 26, 2 | 2022-04-26 |
| Control apparatus for compression-ignition type engine Grant 11,220,971 - Matsumoto , et al. January 11, 2 | 2022-01-11 |
| Control apparatus for compression-ignition type engine Grant 11,220,972 - Matsumoto , et al. January 11, 2 | 2022-01-11 |
| Control apparatus for compression-ignition type engine Grant 11,203,969 - Matsumoto , et al. December 21, 2 | 2021-12-21 |
| Control apparatus for compression-ignition type engine Grant 11,199,152 - Matsumoto , et al. December 14, 2 | 2021-12-14 |
| Control Apparatus For Compression-ignition Type Engine App 20210372317 - MATSUMOTO; Kota ; et al. | 2021-12-02 |
| Control apparatus for compression-ignition type engine Grant 11,187,179 - Matsumoto , et al. November 30, 2 | 2021-11-30 |
| Control Apparatus For Compression-ignition Type Engine App 20210363935 - MATSUMOTO; Kota ; et al. | 2021-11-25 |
| Control apparatus for compression-ignition type engine Grant 11,168,639 - Matsumoto , et al. November 9, 2 | 2021-11-09 |
| Control apparatus for compression-ignition type engine Grant 11,111,871 - Matsumoto , et al. September 7, 2 | 2021-09-07 |
| Control apparatus for compression-ignition type engine Grant 11,105,255 - Matsumoto , et al. August 31, 2 | 2021-08-31 |
| Control Apparatus For Compression-ignition Type Engine App 20210239069 - MATSUMOTO; Kota ; et al. | 2021-08-05 |
| Control Apparatus For Compression-ignition Type Engine App 20210239068 - MATSUMOTO; Kota ; et al. | 2021-08-05 |
| Control Apparatus For Compression-ignition Type Engine App 20210239067 - MATSUMOTO; Kota ; et al. | 2021-08-05 |
| Control Apparatus For Compression-ignition Type Engine App 20210231077 - MATSUMOTO; Kota ; et al. | 2021-07-29 |
| Control Apparatus For Compression-ignition Type Engine App 20210231076 - MATSUMOTO; Kota ; et al. | 2021-07-29 |
| Control Apparatus For Compression-ignition Type Engine App 20210231078 - MATSUMOTO; Kota ; et al. | 2021-07-29 |
| Control Apparatus For Compression-ignition Type Engine App 20210222610 - MATSUMOTO; Kota ; et al. | 2021-07-22 |
| Control Apparatus For Compression-ignition Type Engine App 20210222642 - MATSUMOTO; Kota ; et al. | 2021-07-22 |
| Control Apparatus For Compression-ignition Type Engine App 20210189945 - MATSUMOTO; Kota ; et al. | 2021-06-24 |
| Combustion control device for engine Grant 10,995,681 - Sueoka , et al. May 4, 2 | 2021-05-04 |
| Control Apparatus For Compression-ignition Type Engine App 20210115839 - MATSUMOTO; Kota ; et al. | 2021-04-22 |
| Control device for compression ignition engine Grant 10,968,845 - Ohura , et al. April 6, 2 | 2021-04-06 |
| Control device for compression ignition engine Grant 10,934,990 - Ohura , et al. March 2, 2 | 2021-03-02 |
| Engine control device Grant 10,927,749 - Tokunaga , et al. February 23, 2 | 2021-02-23 |
| Control device for compression ignition engine Grant 10,920,655 - Maruyama , et al. February 16, 2 | 2021-02-16 |
| Control device for pre-mixture compression ignition engine Grant 10,914,259 - Maruyama , et al. February 9, 2 | 2021-02-09 |
| Fuel injection device of engine Grant 10,914,244 - Matsumoto , et al. February 9, 2 | 2021-02-09 |
| Control system for compression-ignition engine Grant 10,895,214 - Inoue , et al. January 19, 2 | 2021-01-19 |
| Control system for compression-ignition engine Grant 10,895,208 - Inoue , et al. January 19, 2 | 2021-01-19 |
| Control Device For Compression Ignition Engine App 20200362778 - Ohura; Takuya ; et al. | 2020-11-19 |
| Control Device For Compression Ignition Engine App 20200362810 - Ohura; Takuya ; et al. | 2020-11-19 |
| Method of implementing control logic of compression ignition engine Grant 10,837,377 - Sueoka , et al. November 17, 2 | 2020-11-17 |
| Control Device For Compression Ignition Engine App 20200332704 - Maruyama; Keiji ; et al. | 2020-10-22 |
| Control Device For Pre-mixture Compression Ignition Engine App 20200332735 - Maruyama; Keiji ; et al. | 2020-10-22 |
| Control system for compression-ignition engine Grant 10,801,420 - Inoue , et al. October 13, 2 | 2020-10-13 |
| Combustion Control Device For Engine App 20200318555 - SUEOKA; Masanari ; et al. | 2020-10-08 |
| Control Apparatus And Control Method For Compression Ignition Type Engine App 20200318572 - SUEOKA; Masanari ; et al. | 2020-10-08 |
| Control system for compression-ignition engine Grant 10,794,323 - Inoue , et al. October 6, 2 | 2020-10-06 |
| Control system for compression-ignition engine Grant 10,767,593 - Inoue , et al. Sep | 2020-09-08 |
| Method of implementing control logic of compression-ignition engine Grant 10,767,577 - Sueoka , et al. Sep | 2020-09-08 |
| Control device of compression-ignition engine Grant 10,760,519 - Sueoka , et al. Sep | 2020-09-01 |
| Control system for compression-ignition engine Grant 10,731,590 - Inoue , et al. | 2020-08-04 |
| Engine Control Device App 20200240319 - Tokunaga; Tatsuhiro ; et al. | 2020-07-30 |
| Control device for engine Grant 10,711,708 - Matsumoto , et al. | 2020-07-14 |
| Control system for compression-ignition engine Grant 10,704,480 - Sueoka , et al. | 2020-07-07 |
| Control system of compression-ignition engine Grant 10,704,523 - Sueoka , et al. | 2020-07-07 |
| Control system of compression-ignition engine Grant 10,704,524 - Sueoka , et al. | 2020-07-07 |
| Control system for compression-ignition engine Grant 10,641,193 - Sueoka , et al. | 2020-05-05 |
| Control system for compression-ignition engine Grant 10,641,197 - Sueoka , et al. | 2020-05-05 |
| Control system for compression-ignition engine Grant 10,641,192 - Sueoka , et al. | 2020-05-05 |
| Control system for compression-ignition engine Grant 10,605,193 - Sueoka , et al. | 2020-03-31 |
| Semiconductor memory device Grant 10,522,231 - Noro , et al. Dec | 2019-12-31 |
| Control System For Compression-ignition Engine App 20190360382 - Inoue; Atsushi ; et al. | 2019-11-28 |
| Method Of Implementing Control Logic Of Compression-ignition Engine App 20190360368 - Sueoka; Masanari ; et al. | 2019-11-28 |
| Control Device Of Compression-ignition Engine App 20190360422 - Sueoka; Masanari ; et al. | 2019-11-28 |
| Method Of Implementing Control Logic Of Compression Ignition Engine App 20190360409 - Sueoka; Masanari ; et al. | 2019-11-28 |
| Control System Of Compression-ignition Engine App 20190360451 - Sueoka; Masanari ; et al. | 2019-11-28 |
| Control System For Compression-ignition Engine App 20190360449 - Inoue; Atsushi ; et al. | 2019-11-28 |
| Control System Of Compression-ignition Engine App 20190360450 - Sueoka; Masanari ; et al. | 2019-11-28 |
| Control System For Compression-ignition Engine App 20190360425 - Inoue; Atsushi ; et al. | 2019-11-28 |
| Fuel injection device of engine Grant 10,480,395 - Matsumoto , et al. Nov | 2019-11-19 |
| Semiconductor Memory Device App 20190259460 - NORO; Hiromi ; et al. | 2019-08-22 |
| Control System For Compression-ignition Engine App 20190186395 - Sueoka; Masanari ; et al. | 2019-06-20 |
| Control System For Compression-ignition Engine App 20190186396 - Sueoka; Masanari ; et al. | 2019-06-20 |
| Control System For Compression-ignition Engine App 20190186402 - Sueoka; Masanari ; et al. | 2019-06-20 |
| Control System For Compression-ignition Engine App 20190186394 - Sueoka; Masanari ; et al. | 2019-06-20 |
| Control System For Compression-ignition Engine App 20190186405 - Sueoka; Masanari ; et al. | 2019-06-20 |
| Fuel Injection Device Of Engine App 20190063338 - Matsumoto; Kota ; et al. | 2019-02-28 |
| Control System For Compression-ignition Engine App 20190063337 - Inoue; Atsushi ; et al. | 2019-02-28 |
| Fuel Injection Device Of Engine App 20190063303 - Matsumoto; Kota ; et al. | 2019-02-28 |
| Control Device For Engine App 20190063344 - Matsumoto; Kota ; et al. | 2019-02-28 |
| Control System For Compression-ignition Engine App 20190063360 - Inoue; Atsushi ; et al. | 2019-02-28 |
| Control System For Compression-ignition Engine App 20190063350 - Inoue; Atsushi ; et al. | 2019-02-28 |
| Body vent protector Grant 9,776,472 - Bryant , et al. October 3, 2 | 2017-10-03 |
| Body Vent Protector App 20160068038 - Bryant; David ; et al. | 2016-03-10 |
| Diesel engine for automobile, control device and control method Grant 9,234,478 - Morinaga , et al. January 12, 2 | 2016-01-12 |
| Engine with variable valve mechanism Grant 9,080,502 - Maruyama , et al. July 14, 2 | 2015-07-14 |
| Diesel engine and method of controlling the diesel engine Grant 8,682,568 - Shimo , et al. March 25, 2 | 2014-03-25 |
| Automobile-mount diesel engine with turbocharger and method of controlling the diesel engine Grant 8,607,564 - Maruyama , et al. December 17, 2 | 2013-12-17 |
| Engine Control Device And Control Method App 20130104540 - Maruyama; Keiji ; et al. | 2013-05-02 |
| Diesel Engine For Automobile, Control Device And Control Method App 20130073186 - Morinaga; Shinichi ; et al. | 2013-03-21 |
| Memory system with semiconductor memory and its data transfer method Grant 8,239,744 - Shirai , et al. August 7, 2 | 2012-08-07 |
| Diesel Engine And Method Of Controlling The Diesel Engine App 20120004826 - Shimo; Daisuke ; et al. | 2012-01-05 |
| Automobile-mount Diesel Engine With Turbocharger And Method Of Controlling The Diesel Engine App 20120000197 - Maruyama; Keiji ; et al. | 2012-01-05 |
| Semiconductor Memory Device And Test Method Thereof App 20090319840 - Hara; Tokumasa ; et al. | 2009-12-24 |
| Memory System With Semiconductor Memory And Its Data Transfer Method App 20090319871 - SHIRAI; Yutaka ; et al. | 2009-12-24 |
| Semiconductor memory device, power supply detector and semiconductor device Grant 7,573,306 - Kumazaki , et al. August 11, 2 | 2009-08-11 |
| Semiconductor Memory Device, Power Supply Detector And Semiconductor Device App 20070176654 - Kumazaki; Noriyasu ; et al. | 2007-08-02 |
| Synchronous semiconductor memory device having dynamic memory cells and operating method thereof Grant 6,879,540 - Maruyama , et al. April 12, 2 | 2005-04-12 |
| Semiconductor integrated circuit and memory system Grant 6,768,691 - Kumazaki , et al. July 27, 2 | 2004-07-27 |
| Synchronous semiconductor memory device having dynamic memory cells and operating method thereof App 20040081011 - Maruyama, Keiji ; et al. | 2004-04-29 |
| Semiconductor integrated circuit and memory system App 20030047757 - Kumazaki, Noriyasu ; et al. | 2003-03-13 |
| Semiconductor integrated circuit device App 20020038914 - Maruyama, Keiji ; et al. | 2002-04-04 |
| Label for automobile Grant D443,898 - Maruyama , et al. June 19, 2 | 2001-06-19 |
| Label for automobile Grant D443,654 - Maruyama , et al. June 12, 2 | 2001-06-12 |
| Semiconductor integrated circuit including ring oscillator of low current consumption Grant 5,544,120 - Kuwagata , et al. August 6, 1 | 1996-08-06 |
| Substrate bias voltage generator circuit Grant 5,243,228 - Maruyama , et al. September 7, 1 | 1993-09-07 |
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