Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5110856 | Vinyl acetate-ethylene copolymer emulsion and process for producing the same | Takeo Oyamada, Masayoshi Nitta, Yasuo Kaneshima, Tateshi Kurino, Shizuo Narisawa | 1992-05-05 |
| 5070134 | Vinyl acetate-ethylene copolymer emulsion and process for producing the same | Takeo Oyamada, Masayoshi Nitta, Yasuo Kaneshima, Tateshi Kurino, Shizuo Narisawa | 1991-12-03 |
| 4434257 | Cement composition | Shizuo Narisawa, Yuuji Yoshii, Tomizou Kondou | 1984-02-28 |