NK

Nobuhiko Koto

MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
Overall (All Time): #3,917,973 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4980144 Process for purifying nitrogen trifluoride gas Toshihiko Nishitsuji, Naruyuki Iwanaga, Isao Harada 1990-12-25