MN

Masahiro Nishikawa

Sumitomo Electric Industries: 2 patents #54 of 557Top 10%
Overall (1982): #10,277 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4362765 Method of manufacturing a gas sensing device Atsushi Abe, Hisahito Ogawa, Satoshi Sekido, Shigeru Hayakawa 1982-12-07
4313338 Gas sensing device Atsushi Abe, Hisahito Ogawa, Satoshi Sekido, Shigeru Hayakawa 1982-02-02