Sumoyama; Daisuke
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumoyama; Daisuke.The latest application filed is for "spark plug".
- Sumoyama; Daisuke - Nagoya JP
- SUMOYAMA; Daisuke - Nagoya-shi Aichi
- - Nagoya JP
- Sumoyama; Daisuke - Aichi JP
| Patent | Date |
|---|---|
| Spark plug Grant 10,965,104 - Sumoyama , et al. March 30, 2 | 2021-03-30 |
| Spark plug Grant 10,958,045 - Sumoyama , et al. March 23, 2 | 2021-03-23 |
| Spark Plug App 20210036492 - SUMOYAMA; Daisuke ; et al. | 2021-02-04 |
| Spark Plug App 20210036493 - SUMOYAMA; Daisuke ; et al. | 2021-02-04 |
| Spark plug Grant 10,498,110 - Sumoyama , et al. De | 2019-12-03 |
| Spark plug and manufacturing method therefor Grant 10,447,014 - Kikai , et al. Oc | 2019-10-15 |
| Spark Plug And Manufacturing Method Therefor App 20190296526 - KIKAI; Takaaki ; et al. | 2019-09-26 |
| Spark Plug App 20190288487 - SUMOYAMA; Daisuke ; et al. | 2019-09-19 |
| Spark plug Grant 10,312,669 - Sumoyama , et al. | 2019-06-04 |
| Electrode tip for spark plug, and spark plug Grant 10,186,845 - Sumoyama , et al. Ja | 2019-01-22 |
| Spark Plug App 20180366918 - SUMOYAMA; Daisuke ; et al. | 2018-12-20 |
| Spark plug Grant 10,153,621 - Sumoyama , et al. Dec | 2018-12-11 |
| Spark plug Grant 10,033,163 - Sumoyama , et al. July 24, 2 | 2018-07-24 |
| Spark plug Grant 9,948,068 - Sumoyama , et al. April 17, 2 | 2018-04-17 |
| Spark plug Grant 9,948,069 - Segawa , et al. April 17, 2 | 2018-04-17 |
| Spark plug Grant 9,887,519 - Ito , et al. February 6, 2 | 2018-02-06 |
| Spark Plug App 20180019581 - SUMOYAMA; Daisuke ; et al. | 2018-01-18 |
| Spark Plug App 20180019580 - ITO; Kazuki ; et al. | 2018-01-18 |
| Spark plug Grant 9,853,423 - Sumoyama , et al. December 26, 2 | 2017-12-26 |
| Spark plug and method for producing the same Grant 9,705,292 - Gozawa , et al. July 11, 2 | 2017-07-11 |
| Electrode Tip For Spark Plug, And Spark Plug App 20170187170 - SUMOYAMA; Daisuke ; et al. | 2017-06-29 |
| Spark plug Grant 9,627,857 - Sumoyama , et al. April 18, 2 | 2017-04-18 |
| Spark Plug And Method For Producing The Same App 20170063048 - GOZAWA; Tatsuya ; et al. | 2017-03-02 |
| Spark Plug App 20170054274 - SUMOYAMA; Daisuke ; et al. | 2017-02-23 |
| Spark Plug App 20170033539 - SEGAWA; Masayuki ; et al. | 2017-02-02 |
| Spark plug Grant 9,548,593 - Kanemaru , et al. January 17, 2 | 2017-01-17 |
| Spark Plug App 20160294164 - SUMOYAMA; Daisuke ; et al. | 2016-10-06 |
| Spark Plug App 20160276811 - KANEMARU; Tomonori ; et al. | 2016-09-22 |
| Spark plug Grant 9,197,036 - Sumoyama , et al. November 24, 2 | 2015-11-24 |
| Spark plug Grant 8,878,424 - Sumoyama , et al. November 4, 2 | 2014-11-04 |
| Spark plug Grant 8,810,120 - Sumoyama , et al. August 19, 2 | 2014-08-19 |
| Spark Plug App 20140159564 - Sumoyama; Daisuke ; et al. | 2014-06-12 |
| Spark Plug App 20140097739 - SUMOYAMA; Daisuke ; et al. | 2014-04-10 |
| Spark plug Grant 8,618,725 - Sumoyama , et al. December 31, 2 | 2013-12-31 |
| Spark plug Grant 08618725 - | 2013-12-31 |
| Spark plug Grant 8,415,867 - Tanaka , et al. April 9, 2 | 2013-04-09 |
| Spark Plug App 20130069516 - Sumoyama; Daisuke ; et al. | 2013-03-21 |
| Spark Plug App 20130026903 - Shibata; Tsutomu ; et al. | 2013-01-31 |
| Spark Plug App 20120217864 - Sumoyama; Daisuke ; et al. | 2012-08-30 |
| Spark Plug App 20110285270 - Tanaka; Tomoo ; et al. | 2011-11-24 |
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