NI

Nobutoshi Iwata

NC Nippon Steel Chemical Co.: 2 patents #60 of 380Top 20%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #2,336,613 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4742102 Polystyrene compositions Hisanori Kato 1988-05-03
4499238 Thermoplastic resin products having pearl-like luster Kiyoshi Fukushima, Shinji Fujino, Takeshiro Yamada, Hideyuki Hao, Shigeo Tanaka +1 more 1985-02-12