Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826516 | Moisture-remover and moisture-removing apparatus | Akira Matsuoka | 1989-05-02 |
| 4818602 | Hygroscopic composite material | Satoshi Yoshimi, Akira Matsuoka | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826516 | Moisture-remover and moisture-removing apparatus | Akira Matsuoka | 1989-05-02 |
| 4818602 | Hygroscopic composite material | Satoshi Yoshimi, Akira Matsuoka | 1989-04-04 |