YI

Yoshihisa Ishihara

JP Japan Styrene Paper: 2 patents #1 of 3Top 35%
Overall (1994): #15,717 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5281119 Apparatus for the production of foamed polyolefin sheets Shoji Iwano, Kouichi Wakabayashi 1994-01-25
5281377 Process for the production of foamed polyolefin sheets Shoji Iwano, Kouichi Wakabayashi 1994-01-25