NM

Naoto Matsui

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
TE Teac: 1 patents #255 of 440Top 60%
Overall (All Time): #1,934,387 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10256495 Fuel cell and fuel cell stack Nobuyuki Hotta, Daisuke Komatsu, Shinobu Okazaki, Hideki Uematsu, Hiroya Ishikawa 2019-04-09
8229133 Portable sound recorder 2012-07-24