Yamakawa; Masahisa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamakawa; Masahisa.The latest application filed is for "engine system".
Company Profile
4.50.49
- Yamakawa; Masahisa - Aki-gun JP
- Yamakawa; Masahisa - Hiroshima JP
- Yamakawa; Masahisa - Hiroshima-shi Hiroshima
- Yamakawa; Masahisa - Fuchu-cho JP
- Yamakawa; Masahisa - Fucho-cho JP
Patent Activity
| Patent | Date |
|---|---|
| Engine system Grant 11,391,235 - Kaminaga , et al. July 19, 2 | 2022-07-19 |
| Engine System App 20220154663 - Kaminaga; Takashi ; et al. | 2022-05-19 |
| Engine System App 20220154666 - Kaminaga; Takashi ; et al. | 2022-05-19 |
| Engine System App 20220154664 - Kaminaga; Takashi ; et al. | 2022-05-19 |
| Control device for compression self-ignition engine Grant 11,092,108 - Ito , et al. August 17, 2 | 2021-08-17 |
| Control Device For Compression Self-ignition Engine App 20210172397 - Ito; Naoya ; et al. | 2021-06-10 |
| Compression ignition gasoline engine Grant 11,008,969 - Youso , et al. May 18, 2 | 2021-05-18 |
| Compression ignition gasoline engine Grant 10,837,380 - Youso , et al. November 17, 2 | 2020-11-17 |
| Compression Ignition Gasoline Engine App 20190390627 - Youso; Takashi ; et al. | 2019-12-26 |
| Compression Ignition Gasoline Engine App 20190309696 - Youso; Takashi ; et al. | 2019-10-10 |
| Engine Grant 10,309,294 - Hikita , et al. | 2019-06-04 |
| Engine Grant 10,280,831 - Hikita , et al. | 2019-05-07 |
| Engine App 20180258884 - Hikita; Takayuki ; et al. | 2018-09-13 |
| Engine App 20180252151 - Hikita; Takayuki ; et al. | 2018-09-06 |
| Controller of laser ignition engine Grant 10,041,464 - Youso , et al. August 7, 2 | 2018-08-07 |
| Spark-ignition direct-injection engine Grant 9,932,883 - Iwai , et al. April 3, 2 | 2018-04-03 |
| Control device of engine Grant 9,777,694 - Nagano , et al. October 3, 2 | 2017-10-03 |
| Spark-ignition direct injection engine Grant 9,702,316 - Iwai , et al. July 11, 2 | 2017-07-11 |
| Controller Of Laser Ignition Engine App 20170159635 - Youso; Takashi ; et al. | 2017-06-08 |
| Control system for gasoline engine Grant 9,650,984 - Nagatsu , et al. May 16, 2 | 2017-05-16 |
| Control method of spark ignition engine and spark ignition engine Grant 9,512,814 - Yamakawa , et al. December 6, 2 | 2016-12-06 |
| Control system and control method of spark ignition gasoline engine Grant 9,470,174 - Iwai , et al. October 18, 2 | 2016-10-18 |
| Control Device For Compression-ignition Type Engines App 20160215707 - Miyamoto; Toru ; et al. | 2016-07-28 |
| Combustion Chamber Structure For Engine App 20160201631 - Nagano; Takaaki ; et al. | 2016-07-14 |
| Combustion Chamber Structure For Engine App 20160201551 - Uchida; Kenji ; et al. | 2016-07-14 |
| Control Device Of Engine App 20160201635 - Nagano; Takaaki ; et al. | 2016-07-14 |
| Combustion Chamber Structure For Engine App 20160201596 - Nagano; Takaaki ; et al. | 2016-07-14 |
| Supercharged direct fuel injection engine Grant 9,328,688 - Hitomi , et al. May 3, 2 | 2016-05-03 |
| Spark-ignition direct injection engine Grant 9,261,041 - Iwai , et al. February 16, 2 | 2016-02-16 |
| Spark-ignition direct injection engine Grant 9,255,539 - Iwai , et al. February 9, 2 | 2016-02-09 |
| Spark-ignition direct injection engine Grant 9,145,843 - Iwai , et al. September 29, 2 | 2015-09-29 |
| Spark-ignition Direct-injection Engine App 20150114342 - Iwai; Kouhei ; et al. | 2015-04-30 |
| Engine control system Grant 8,930,118 - Nagatsu , et al. January 6, 2 | 2015-01-06 |
| Control System And Control Method Of Spark Ignition Gasoline Engine App 20140299107 - Iwai; Kouhei ; et al. | 2014-10-09 |
| Control device of spark-ignition gasoline engine Grant 8,838,364 - Nagatsu , et al. September 16, 2 | 2014-09-16 |
| Engine control method and apparatus Grant 8,783,227 - Yamakawa , et al. July 22, 2 | 2014-07-22 |
| Control device of spark-ignition gasoline engine Grant 8,706,382 - Oba , et al. April 22, 2 | 2014-04-22 |
| Spark-ignition Direct Injection Engine App 20140069382 - Iwai; Kouhei ; et al. | 2014-03-13 |
| Spark-ignition Direct Injection Engine App 20140060493 - Iwai; Kouhei ; et al. | 2014-03-06 |
| Spark-ignition Direct Injection Engine App 20140060490 - Iwai; Kouhei ; et al. | 2014-03-06 |
| Spark-ignition Direct Injection Engine App 20140060489 - Iwai; Kouhei ; et al. | 2014-03-06 |
| Control device of spark-ignition gasoline engine Grant 8,655,572 - Iwai , et al. February 18, 2 | 2014-02-18 |
| Control of direct fuel injection engine Grant 8,544,444 - Hitomi , et al. October 1, 2 | 2013-10-01 |
| Supercharged direct-injection engine Grant 8,468,823 - Hitomi , et al. June 25, 2 | 2013-06-25 |
| Method and apparatus for controlling supercharged engine Grant 8,459,021 - Yamakawa , et al. June 11, 2 | 2013-06-11 |
| Control method of spark-ignition engine and spark-ignition engine system Grant 8,402,749 - Yamakawa , et al. March 26, 2 | 2013-03-26 |
| Control Method Of Spark Ignition Engine And Spark Ignition Engine App 20130047958 - Yamakawa; Masahisa ; et al. | 2013-02-28 |
| Engine Control System App 20130019828 - Nagatsu; Kazuhiro ; et al. | 2013-01-24 |
| Control System For Gasoline Engine App 20130008416 - Nagatsu; Kazuhiro ; et al. | 2013-01-10 |
| Control of spark ignited internal combustion engine Grant 8,316,819 - Yamakawa , et al. November 27, 2 | 2012-11-27 |
| Control Device Of Spark-ignition Gasoline Engine App 20120216774 - Oba; Shuji ; et al. | 2012-08-30 |
| Control Device Of Spark-ignition Gasoline Engine App 20120216775 - Iwai; Kouhei ; et al. | 2012-08-30 |
| Control Device Of Spark-ignition Gasoline Engine App 20120216776 - Nagatsu; Kazuhiro ; et al. | 2012-08-30 |
| Internal combustion engine of spark-ignition direct-injection type and fuel injecting method thereof Grant 8,196,560 - Fujikawa , et al. June 12, 2 | 2012-06-12 |
| Internal combustion engine Grant 8,191,528 - Youso , et al. June 5, 2 | 2012-06-05 |
| Direct-injection spark-ignition engine Grant 8,151,762 - Nishimoto , et al. April 10, 2 | 2012-04-10 |
| Internal combustion engine control method and internal combustion engine system Grant 8,155,862 - Nishimoto , et al. April 10, 2 | 2012-04-10 |
| Method and system for controlling an internal combustion engine Grant 8,150,597 - Yamakawa , et al. April 3, 2 | 2012-04-03 |
| Method And Apparatus For Controlling Supercharged Engine App 20110180047 - YAMAKAWA; Masahisa ; et al. | 2011-07-28 |
| Engine Control Method And Apparatus App 20110180038 - YAMAKAWA; Masahisa ; et al. | 2011-07-28 |
| Combustion Timing Prediction Method For Compression Self-ignition Internal Combustion Engine, Control Method For Compression Self-ignition Internal Combustion Engine, And Compression Self-ignition Internal Combustion Engine System App 20110079194 - TANAKA; Shigeyuki ; et al. | 2011-04-07 |
| Supercharged Direct-injection Engine App 20110067679 - HITOMI; Mitsuo ; et al. | 2011-03-24 |
| Control Method Of Spark-ignition Engine And Spark-ignition Engine System App 20110011061 - YAMAKAWA; Masahisa ; et al. | 2011-01-20 |
| Control Of Direct Fuel Injection Engine App 20100242900 - Hitomi; Mitsuo ; et al. | 2010-09-30 |
| Supercharged Direct Fuel Injection Engine App 20100242899 - HITOMI; Mitsuo ; et al. | 2010-09-30 |
| Spark-ignition gasoline engine Grant 7,784,443 - Hitomi , et al. August 31, 2 | 2010-08-31 |
| Direct-injection Spark-ignition Engine App 20100175660 - NISHIMOTO; Toshiaki ; et al. | 2010-07-15 |
| Control Of Spark Ignited Internal Combustion Engine App 20100077989 - Yamakawa; Masahisa ; et al. | 2010-04-01 |
| Control Of Spark Ignited Internal Combustion Engine App 20100077990 - Shishime; Kouji ; et al. | 2010-04-01 |
| Internal combustion engine Grant 7,650,872 - Nishimoto , et al. January 26, 2 | 2010-01-26 |
| Internal Combustion Engine App 20090319156 - Fujikawa; Tatsuya ; et al. | 2009-12-24 |
| Internal Combustion Engine Of Spark-ignition Direct-injection Type And Fuel Injecting Method Thereof App 20090235897 - Fujikawa; Tatsuya ; et al. | 2009-09-24 |
| Internal Combustion Engine Control Method And Internal Combustion Engine System App 20090217906 - NISHIMOTO; Toshiaki ; et al. | 2009-09-03 |
| Method And System For Controlling An Internal Combustion Engine App 20090216427 - Yamakawa; Masahisa ; et al. | 2009-08-27 |
| Internal Combustion Engine App 20090173307 - YOUSO; Takashi ; et al. | 2009-07-09 |
| Internal Combustion Engine App 20090173312 - NISHIMOTO; Toshiaki ; et al. | 2009-07-09 |
| Spark-ignition Gasoline Engine App 20090159045 - Hitomi; Mitsuo ; et al. | 2009-06-25 |
| Spark-ignition gasoline engine Grant 7,484,498 - Hitomi , et al. February 3, 2 | 2009-02-03 |
| Combustion chamber structure for spark-ignition engine Grant 7,360,531 - Yohso , et al. April 22, 2 | 2008-04-22 |
| Spark-ignition gasoline engine App 20070227503 - Hitomi; Mitsuo ; et al. | 2007-10-04 |
| Combustion chamber structure for sparkignition engine App 20070056556 - Yohso; Takashi ; et al. | 2007-03-15 |
| Control device for spark-ignition engine Grant 6,968,825 - Hitomi , et al. November 29, 2 | 2005-11-29 |
| Control device for spark-ignition engine Grant 6,928,980 - Yamakawa , et al. August 16, 2 | 2005-08-16 |
| Control Device For Spark-ignition Engine App 20050066918 - Yamakawa, Masahisa ; et al. | 2005-03-31 |
| Control device for spark-ignition engine App 20050016496 - Hitomi, Mitsuo ; et al. | 2005-01-27 |
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