SS

Shigenori Shirouzu

IC Idemitsu Kosan Co.: 1 patents #13 of 55Top 25%
Overall (1989): #56,843 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801679 Polyformal resin and process for producing said resin Kazuyoshi Shigematsu 1989-01-31