Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466209 | Cigarette filter-rod manufacturing device | Masaharu Takegawa, Motoharu Kotani | 1995-11-14 |
| 4521251 | Low-melting glass paste and cellulose nitrate therefor | Etsuo Otake, Mamoru Kimura, Tetuo Kanematu | 1985-06-04 |