SK

Seiji Kagawa

TK Tonen Sekiyukagaku Kabushiki Kaisha: 1 patents #3 of 14Top 25%
TK Tonen Sekiyukagaku K.K.: 1 patents #1 of 7Top 15%
Overall (1989): #16,233 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878974 Method of producing a gas-permeable, waterproof composite sheet 1989-11-07
4824499 Method for production of gas-pervious composite film 1989-04-25