Nagoya
Japan
22
2024-08-29
The entities that hold a legal rights for patent applications filed by inventor Sumoyama Daisuke:
Daisuke Sumoyama from Nagoya, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
SPARK PLUG
#2 | 2021-02-04Spark plug
#3 | 2021-02-04Spark plug
#4 | 2019-09-26Spark plug and manufacturing method therefor
#5 | 2019-09-19Spark plug
#6 | 2018-12-20Spark plug
#7 | 2018-07-24Spark plug
#8 | 2018-06-14Spark plug
#9 | 2018-01-18Spark plug
#10 | 2018-01-18Spark plug
#11 | 2017-06-29Electrode tip for spark plug, and spark plug
#12 | 2017-03-02Spark plug and method for producing the same
#13 | 2017-02-23Spark plug
#14 | 2017-02-02Spark plug
#15 | 2016-10-06Spark plug
#16 | 2016-09-22Spark plug
#17 | 2014-06-12Spark plug
#18 | 2014-04-10Spark plug
#19 | 2013-03-21Spark plug
#20 | 2013-01-31SPARK PLUG
#21 | 2012-08-30Spark plug
#22 | 2011-11-24Spark plug
61938 ⎘