Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648826 | Melt-spinning apparatus | Masafumi Ogasawara, Nobu Yamaguchi | 1987-03-10 |
| 4445833 | Spinneret for production of composite filaments | Masafumi Ogasawara | 1984-05-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648826 | Melt-spinning apparatus | Masafumi Ogasawara, Nobu Yamaguchi | 1987-03-10 |
| 4445833 | Spinneret for production of composite filaments | Masafumi Ogasawara | 1984-05-01 |