Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831078 | Process for producing copolymer latex | Kohichi Kuhara, Toshiro Ishizuka, Masayoshi Sekiya | 1989-05-16 |
| 4613650 | Copolymer latex | Masayoshi Sekiya, Toshiro Ishizuka, Daiharu Maeda, Kenzo Miyamoto | 1986-09-23 |