Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875632 | Web dividing and rewinding machine and method for removing rewind rolls therefrom | — | 1989-10-24 |
| 4834882 | Hemodialysis membrane | Tetsunosuke Kunitomo, Takuichi Kobayashi | 1989-05-30 |
| 4824898 | Shaped article of a tetrafluoroethylene polymer | Masayuki Sukigara, Yasushi Kaneko | 1989-04-25 |
| 4820787 | Shaped article of an oriented tetrafluoroethylene polymer | Kinya Matsuzawa, Hiroji Oda | 1989-04-11 |