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Yuichi Yamada

Ngk Spark Plug Co.: 4 patents #5 of 157Top 4%
OL Olympus: 1 patents #178 of 471Top 40%
Overall (2011): #13,140 of 364,097Top 4%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8082897 Plasma jet ignition plug and ignition device for the same Tomoaki Kato, Toru Nakamura 2011-12-27
8047172 Plasma jet ignition plug Toru Nakamura, Iwao Kunitomo, Yoshikuni Sato, Daisuke Nakano 2011-11-01
7959482 Manufacturing method for ignition plug involves removing leading end portion of shell extended from end surface of insulator Toru Nakamura, Tomoaki Kato 2011-06-14
7895994 Ignition device for plasma jet ignition plug Daisuke Nakano, Toru Nakamura, Yoshikuni Sato 2011-03-01
7871373 Endoscope device 2011-01-18