Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340631 | Thick-and-thin fibers and products therefrom | Shigemitsu Saitoh | 1982-07-20 |
| 4320166 | Thermal-insulating nonwoven bulky product | Hirotsugu Suzuki, Masanori Takahashi | 1982-03-16 |