NI

Norobu Ishida

Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Overall (All Time): #2,161,590 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7276141 Hydrogen gas sensor Norihiko Nadanami, Takafumi Oshima, Ryuji Inoue, Tomonori Kondo 2007-10-02
6652723 Hydrogen gas sensor Norihiko Nadanami, Takafumi Oshima, Ryuji Inoue, Tomonori Kondo 2003-11-25