SK

Shinji Kumazawa

Ngk Spark Plug Co.: 2 patents #22 of 157Top 15%
NC Nissan Diesel Motor Co.: 1 patents #6 of 27Top 25%
Overall (2011): #67,547 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8006483 Exhaust emission purifying apparatus for engine Hideki Matsunaga, Toshikazu Katou, Hiroyuki Kurita, Masayuki Motomura, Katsunori Yazawa 2011-08-30
7862697 Sensor control device Yasuhiro Ishiguro 2011-01-04