Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357188 | Method for manufacturing cigarette filters | Naoki Mochida, Kazuhiko Morifuji | 1982-11-02 |
| 4316475 | Tobacco smoke filter plug and producing method therefor | Migaku Suzuki | 1982-02-23 |