Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486471 | Process for preparing ethylcellulose microcapsules | Masayoshi Samejima, Goichi Hirata, Yoshiyuki Koida | 1984-12-04 |
| 4462982 | Microcapsules and method of preparing same | Masayoshi Samejima, Goichi Hirata, Yoshiyuki Koida, Yoshinori Kobayashi | 1984-07-31 |