Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340891 | Continuous polymerization method and apparatus | Tsuyoshi Imamura, Yasuhiro Shibai, Keizou Ishii, Shinichi Ishikura, Koichi Saito | 1994-08-23 |
| 5284881 | Composite hollow particles | Koichi Saito, Shinichi Ishikura | 1994-02-08 |