HT

Hisao Takatsu

Overall (All Time): #3,640,903 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5866669 Sulfonated phenol-formaldehyde resin for paper-making Seika Tay, Mitsuyoshi Kato, Masafumi Yoshikawa 1999-02-02