SI

Shigenori Ishii

DC Du Pont-Mitsui Polychemicals Co.: 1 patents #2 of 12Top 20%
RK Riso Kagaku: 1 patents #4 of 13Top 35%
Overall (1994): #20,085 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5323699 Used stencil sheet disposal device Katsuro Motoe, Takeshi Saitoh 1994-06-28
5310787 Polyester packaging material Yoshikazu Kutsuwa, Toru Fukada 1994-05-10