NY

Naofumi Yamamura

Ngk Spark Plug Co.: 12 patents #131 of 1,594Top 9%
Overall (All Time): #418,451 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9716370 Spark plug Kuniyuki Ishii, Naoya Onoda, Hiroyuki Odo 2017-07-25
9453490 Connection device, igniter and ignition system Daisuke Nakano 2016-09-27
8987990 Plasma jet spark plug and ignition system Hiroyuki Kameda, Daisuke Nakano 2015-03-24
8853929 Plasma jet ignition plug Hiroyuki Kameda, Daisuke Nakano, Daisuke Kasahara, Yoshikuni Sato 2014-10-07
8853930 Ignition plug and method of manufacturing the same Tatsunori Yamada, Kenji Ban 2014-10-07
8536770 Plasma jet spark plug Hiroyuki Kameda, Yoshikuni Sato, Daisuke Nakano, Daisuke Kasahara 2013-09-17
8528531 Ignition apparatus of plasma jet ignition plug Daisuke Nakano, Yoshikuni Sato, Hiroyuki Kameda, Daisuke Kasahara 2013-09-10
8264132 Plasma jet ignition plug Hiroyuki Kameda, Daisuke Kasahara 2012-09-11
8253312 Plasma jet spark plug Hiroyuki Kameda, Yoshikuni Sato, Daisuke Nakano, Daisuke Kasahara 2012-08-28
8237342 Plasma jet ignition plug and manufacturing method thereof Hiroyuki Kameda, Daisuke Nakano, Daisuke Kasahara 2012-08-07
8196557 Plasma-jet spark plug and ignition system Hiroyuki Kameda, Yoshikuni Sato, Daisuke Nakano, Daisuke Kasahara 2012-06-12
8198790 Plasma jet ignition plug Hiroyuki Kameda, Yoshikuni Sato, Daisuke Nakano, Daisuke Kasahara 2012-06-12