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Yutaka Yokoyama

Ngk Spark Plug Co.: 1 patents #88 of 211Top 45%
Overall (2016): #168,180 of 481,213Top 35%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9385511 Spark plug Hiroki Takeuchi, Kuniharu Tanaka, Takeshi Mitsuoka, Toshitaka Honda, Hirokazu Kurono +2 more 2016-07-05