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Yutuka Yamada

NC Nkk Co.: 2 patents #309 of 1,173Top 30%
Overall (All Time): #2,226,376 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6230634 Method of blowing synthetic resin into a furnace Iwao Okochi, Mitsuhiro Fujii, Minoru Asanuma, Tatsuro Ariyama, Michitaka Sato +5 more 2001-05-15
5992335 Method of blowing synthetic resin into furnace and apparatus therefor Hiromi Nakamura, Iwao Okochi, Mitsuhiro Fujii, Atsushi Yamaguchi, Minoru Asanuma +11 more 1999-11-30