KW

Keiichiro Watanabe

NI Ngk Insulators: 3 patents #22 of 217Top 15%
Overall (2002): #26,016 of 266,432Top 10%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6447842 Process for producing a corrosion-resistant member Masao Nishioka 2002-09-10
6416889 Anti-corrosion ceramic member Yasufumi Aihara, Shinji Kawasaki, Akira Narukawa 2002-07-09
6406799 Method of producing anti-corrosion member and anti-corrosion member Yasufumi Aihara, Kiyoshi Araki 2002-06-18