AH

Akio Hata

SK Sekisui Kagaku Kogyo: 1 patents #3 of 18Top 20%
📍 Dahe, CN: #2 of 8 inventorsTop 25%
Overall (1989): #134,813 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861683 Quaternary-containing resin used for magnetic recording media Takeshi Nakachi, Yoshihisa Watanabe 1989-08-29