Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106552 | Process of producing a filter element of composite fibers | Hideo Matsuda, Kazuyoshi Nakazawa | 1992-04-21 |
| 4814032 | Method for making nonwoven fabrics | Masahiko Taniguchi, Taizo Sugihara | 1989-03-21 |
| 4789592 | Hot-melt-adhesive composite fiber | Masahiko Taniguchi | 1988-12-06 |
| 4726862 | Process for producing tubular shaped fibrous articles | Taizo Sugihara, Hiroshi Sonoda | 1988-02-23 |